Math Equations and Inequalities Review

10x + 9 = 4x - 9

• 0

• 3

• -3

• -18

-5k + 10 = -2k - 14

• 8

• -8

• 2

• -2

Solve for the variable.

22+2a=37+6+a

• a = 21

• a = 5

• a = -5

• a = -16

Solve for the variable.

8-3a+12=2a

• a = 4

• a = 1

• a = 3

• a = 5

Tags

CCSS.7.EE.B.4A

Solve for the variable.

10x + 9 = 4x - 9

• x = 18

• x = 3

• x = -3

• x = -18

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add the 2a and a 

• Add 4 to both sides

• Distribute +4 to the a and -5

• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

3(x - 1) = 2x + 9

• Infinite Solutions

• No Solution

• x = 12

• x = -3

Tags

CCSS.8.EE.C.7B

Solve for f:
f - 4 = 6f + 26

• f = -5

• f = 5

• f = 6

• f = -6

Solve the equation
4x - 5x + 9 =5x - 9

• x = -3

• x = 9

• x = 3

• x = -9

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Be confused

Tags

CCSS.7.EE.B.4A