Solving Multi-Step Equations

Twice Andy’s age plus 3 is 25. How old is Andy?

• 2(a + 3) = 25

• 2a + 3 = 25

• a/2 + 3 = 25

• (a + 3)/2 = 25

Tags

CCSS.7.EE.B.4A

The number of CD’s sold last month was 8 more than 3 times the number of CD’s sold this month. Last month, 107 CD’s were sold. How many were sold this month?

• 8 + 3(107) = x

• 3(x + 8) = 107

• 8 + 3x = 107

• 3(107 + 8) = x

Tags

CCSS.HSA.CED.A.3

• x=-10

• x=2

• No Solution

• All Real Numbers

Tags

CCSS.8.EE.C.7A

• –6x + 1 = 45

• –3(3x) = 45

• –6x – 3 = 45

• –6x = 44

Tags

CCSS.7.EE.B.4A

• 1.5

• 6

• -6

• -1.5

Tags

CCSS.8.EE.C.7B

• 0

• 1

• -1

• 4

Tags

CCSS.8.EE.C.7B

Find the solution:
10 = 4x - 2

• x = 3

• x = 2

• x = -3

• x = -2

Tags

CCSS.7.EE.B.4A

• x=3

• x=-7

• x=0

• No Solution

• x=3

• x=2

• x=-2

• x=1

• m=3

• m=-4

• m=-1

• All real numbers