Write and Solve 1 Step Equations EE7

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

2n=100

• N=10
• N=50
• N=20

8 = x - 1

• x = 8

• x = 1

• x = 7

• x = 9

x - 32 = 49

• x = 17
• x = 71
• x = 81
• x = 49

Sally bought three candy bars for a total of $18.00. How much did each candy bar cost? Write an equation to solve this problem. Use c as your variable.

• 18c=6

• c + 6= 18

• c +18 = 6

• 3c=18

Working together, Joy and Steve collected 53 pounds of aluminum cans for recycling. If Joy collected 20 pounds, find the number of pounds, x, that Steve collected. Using x as your variable write an equation to solve.

• 20x=53

• x-20=53

• x-53=20

• x+20=53

Cornelius is saving money to buy a jacket that costs $47. He has already saved $25. Write  an equation to find how much more money Cornelius needs to save.

• 25 + m = 47
• m - 25 = 47
• 25m = 47
• m/25=47

Virginia’s mother gave her marbles for her birthday. Virginia lost 13 of them. If she has 24 marbles left, write an equation to find how many her mother gave her.

• m + 13 = 24 
• m – 13 = 24
• 13m = 24
• m/13 = 24