Solving Equations and Inequalities

33 = 4a - 7

• a=-10
• a=10
• a=4.5

Tags

CCSS.7.EE.B.4A

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

x/5 - 13 = 20

• 145
• 165
• 180
• 190

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Tags

CCSS.8.EE.C.7B

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1

Tags

CCSS.8.EE.C.7B

-(n - 8) = -2

• 6
• 10
• -10
• -6

Tags

CCSS.7.EE.B.4A

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

Tags

CCSS.8.EE.C.7B

2x + 3(5x - 7) = 47

• 1
• 2
• 3
• 4

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6