Maths genie solving equations

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We can use inverse operations to solve an equation: The opposite of adding is subtracting The opposite of multiplying is dividing. To get b by itself we need to get rid of the 5 At the moment b is multiplied by 5, the opposite of multiplying by 5 is dividing by 5. To get c by itself we need to get rid of the 4 At the moment c is divided by 4, the opposite of dividing by 4 is multiplying by 4. Sometimes the answer to an equation is not a whole number. In these cases we can leave our answer as a fraction.

Maths genie solving equations

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Conversion Graphs. Inequalities on a Number Line.

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Always on the lookout for fun math games and activities in the classroom? Try our ready-to-go printable packs for students to complete independently or with a partner! Here you will learn about solving equations, including linear and quadratic algebraic equations, and how to solve them. Students will first learn about solving equations in grade 8 as a part of expressions and equations, and again in high school as a part of reasoning with equations and inequalities. Solving equations is a step-by-step process to find the value of the variable. A variable is the unknown part of an equation, either on the left or right side of the equals sign. Sometimes, you need to solve multi-step equations which contain algebraic expressions. To do this, you must use the order of operations, which is a systematic approach to equation solving. When you use the order of operations, you first solve any part of an equation located within parentheses. An equation is a mathematical expression that contains an equals sign.

Maths genie solving equations

Here we will learn about forming and solving equations, including how to form linear equations from situations and solve them and how to form quadratic equations and solve them. Forming and solving equations is when we are given a mathematical situation which is, or can be, described using algebraic expressions. We can use the algebraic expressions and information about the situation to form an equation. We can then solve the equation to find the solution. To do this we need to understand the situation and be able to write about it using algebraic expressions. Form an expression for P in terms of x.

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Set Notation for Inequalities. Graphical Inequalities. We can use inverse operations to solve an equation: The opposite of adding is subtracting The opposite of multiplying is dividing. Inequalities on a Number Line. Projections, Plans and Elevations. Powers and Roots. Nets of 3D Shapes. Kinematic Equations. Email address. Pie charts. Quadratic, Cubic and Harder Sequences.

Solving linear equations means finding the value of the variable s given in the linear equations. It has a degree of 1 or it can be called a first-degree equation. Sometimes, we may have to find the values of variables involved in a linear equation.

You must be logged in to vote for this question. Already have an account? Compound Growth and Decay. Reverse Percentages. Rules of Indices. Speed Distance Time. Set Notation for Inequalities. Unit and Conversion. Select your exam board:. Fractions and Recurring Decimals. Direct and Inverse Proportion. Ordering Numbers. Upper and Lower bounds.