Solving multi-step equations

-15 = 5a +12- 2a + 6

• -11
• -3
• 10
• 7

Tags

CCSS.8.EE.C.7B

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

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

4(a + 3) = -32

• -11
• -44
• -20
• -8

Tags

CCSS.7.EE.B.4A

4(a + 3) = -32

• -11
• -44
• -20
• -8

2 + 14a = -8 + 9a

• -2
• 3
• 5
• -10

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1

22 + 2a = 37 + 6 + a

• 21
• -21
• 5
• 6

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

0.75 + 2(a - 0.5) = 3a - 0.4

• 0.15
• 5
• 1.5
• 3.75

Tags

CCSS.8.EE.C.7B

187=2x+5(-3x + 14)

• 9
• -9
• 12
• -14

Tags

CCSS.8.EE.C.7B

3x-7(-4x+18)=29

• -15
• -10
• 22
• 5

Tags

CCSS.8.EE.C.7B

159=-5x+7(7x-15)

• 6
• 10
• -22
• -6

Tags

CCSS.8.EE.C.7B