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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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. An expression is a number of algebraic terms combined by adding, subtracting, multiplying and dividing whereas an equation sets two expressions equal to each other. Includes reasoning and applied questions. Forming and solving equations is part of our series of lessons to support revision on solving equations.

Maths genie solving equations

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. When we are given two or more such linear equations, we can find the values of each variable by solving linear equations. There are a few methods to solve linear equations. Let us discuss each of these methods in detail. A linear equation in one variable is an equation of degree one and has only one variable term. By solving linear equations in one variable, we get only one solution for the given variable.

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Frequency Polygon. Sine Rule. Past Papers. Solving Quadratics by Factorising a greater than 1. Density Mass Volume. Box Plots. No results matching search. Stem and Leaf. Stratified sampling. In these cases we can leave our answer as a fraction. Cosine Rule. We have 2b on the left and negative 6b on the right side. Confirm Password. Area Under a Graph. Sequences and Nth Term.

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Arithmetic Sequences and Sums. Get Started. Similar Shapes Foundation. Functions Composite and Inverse. Powers and Roots. Function Machines. Pie charts. Stem and Leaf. Simultaneous Equations Linear. Best Buys. Circle Graphs and Tangents. Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.