Two-Step Equations

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Tags

CCSS.7.EE.B.4A

6 = a/4 + 2

• 16
• 15
• 14

Tags

CCSS.7.EE.B.4A

-15 = -4m + 5

• 4
• 7
• 5

Tags

CCSS.7.EE.B.4A

33 = 4a - 7

• a=-10
• a=10
• a=4.5

Tags

CCSS.7.EE.B.4A

26 = 5a + 1

• a= 5 ⁴∕₅
• a= no solution
• a= 0
• a= 5

Tags

CCSS.7.EE.B.4A

9 = 2s + 1 

• 4
• -4
• 3.5
• 5

Tags

CCSS.7.EE.B.4A

4c - 6 = 2 

• 2
• -2
• 1
• 3

Tags

CCSS.7.EE.B.4A

-5 = 3m - 14

• 3
• -3
• 12
• -6.3

Tags

CCSS.7.EE.B.4A

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she spends $35 in all.

• .50x + 20 = 35
• .50x = 35
• .50 + 20x = 35 
• .50x - 20 = 35

Tags

CCSS.HSA.CED.A.3

 A computer printer can print 10 pages per minute. There were already 35 pages in the tray.  The total pages printed was 115 pages.  Write an expression for the number of pages the printer can print in m minutes. 

• 10m + 35 = 115
• 10m - 35 = 115
• 115m + 35 = 10
• 35m + 10 = 115

Tags

CCSS.HSA.CED.A.3