2-4 Solving Equations with Variables on Both Sides

Front

Solve: 5x + 15 = 10x - 40

Back

x = 11

Front

Solve: 9x + 1 = 64

Back

x = 7

Tags

CCSS.7.EE.B.4A

Front

Solve: 3x - 32 = -7x + 28

Back

x = 6

Front

Solve: 4x - 3 = 6x - 19

Back

x = 8

Front

Solve: 4k + 24 = 6k -10

Back

k = 17

Front

What is the first step in solving an equation with variables on both sides?

Back

Isolate one variable by moving terms to one side.

Front

What does it mean to 'combine like terms'?

Back

It means to simplify expressions by adding or subtracting terms that have the same variable raised to the same power.

Tags

CCSS.7.EE.A.1

Front

What is the principle of equality in solving equations?

Back

If you add, subtract, multiply, or divide both sides of an equation by the same number, the two sides remain equal.

Tags

CCSS.HSA.REI.A.1

Front

How do you check your solution after solving an equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

What is a variable in an equation?

Back

A symbol (usually a letter) that represents an unknown value.

Tags

CCSS.6.EE.A.2B