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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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.

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. We can then solve the equation to find the value of x, by using inverse operations.

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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. Speed Distance Time. Function Machines. Bar Graphs. Population Density. Select your exam board:. Perpendicular Lines. Rearranging Formulae Subject Appears Twice. There is an a term on both sides of the equation. Pie charts. Reciprocal Graphs. Grouped Frequency Tables.

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.

Interior and Exterior Angles. Quadratic Graphs. Inequalities on a Number Line. Repeated Percentage Change. Data Sampling. Invariant Points. Expanding Triple Brackets. Forming Expressions, Equations, and Formulae. Direct and Inverse Proportion. You must be logged in to vote for this question.