Variable – Definition and Example Definition: Variables are symbol or letters that used to represent for unknown numbers or values. simply a single letter, that represents a number called the value of the variable. m + n, here m and n are variables. 3x + y = 12, here x and […]
Read More →Worksheet – Solving Equation Solve the below equations 1. 2x + 6 = 4x – 8 2. 7x + 3 = x + 63 3. 3x + 75 = 8x + 15 4. 12x – 18 = 10x + 8 5. x + 9 = 7x – 18 Answer of the worksheet 1. 7 2. 10 3. 12 […]
Read More →Substitution method for Solving linear Systems The Substitution method for Solving linear Systems is easy to solve the equations. Substitution method can be applied in below steps. Step 1: First select one equation and solve it for one variable either x = or y =. Step 2: Substitute the solution from step 1 into the other equation. […]
Read More →Solving Quadratic Equations A Quadratic equation is an equation in the form “ax2 + bx + c = 0″, where x is variable, a, b, c, are real numbers, and a ≠ 0. Example- (1) x2 – 4x + 5 = 0 (2) x2 + 3x – 4 = 0 […]
Read More →Linear Equations in two Variables If the equation has more than one variable and the highest power of variable, appearing in the equation is 1, such that variables are not multiplied each other then this type of equation is known as “linear equation in two variable”. Some examples of linear equations in two variables are, […]
Read More →Solve linear equations in one variable We will learn how to solve linear equations using mathematical operations, like addition, subtraction, multiplication and division. Here are steps to solve a linear equation in one variable. When variables on both sides of the equations, then following steps are followed for solving the equations. Some examples are given […]
Read More →Practice test linear equation. Solve the following equations. (a) x + 3 = 5 (b) x – 3 = 5 (c) y +8 = 20 (d) x + 2 = 2x + […]
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