Equations with Variables on Both Sides

variable

A letter used to represent one or more numbers.

equation

A mathematical sentence that shows that two expressions are equivalent. An equation has an EQUAL SIGN.

What is the first step in solving the equation: 0.5x - 10 = 50

Add 10 to both sides

What is the first step in solving the equation: 4x - 20 = 80

Add 20 to both sides

What is the first step in solving the equation: 2x + 4x - 7 + 3x = 78

Combine the 2x, 4x and 3x

What is the first step in solving the equation: 2y - 4y + 6 + 6y = 100

Combine the 2y, -4y and 6y

What is the first step in solving the equation: 3(x - 1) + 2x = 24

Distribute the 3

What is the first step in solving the equation: 4(x - 2) = 20

Distribute the 4

What is the first step in solving the equation: 8(x - 10) = 40

Distribute the 8

What is the first step in solving the equation: 0.5x = 48

Divide both sides by 0.5

What is the first step in solving the equation: 2x = 24

Divide both sides by 2

What is the first step in solving the equation: x/6 = 36

Multiply both sides by 6

What is the first step in solving the equation: 3x + 2 = 10

Subtract 2 from each side

coefficient

The number in front of the variable