Writing and Solving Equations

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63

• 7x = 63

• 7x - 35 = 63

• 35x + 7 = 63

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. Which equation matches this situation?

• 50 + 20m = 290

• 20 + 50m = 290

• 50 + 20 = m

• 50m - 20 = 290

6p - 5 =13

• 12

• 15

• 3

• -3

Mathematical Equivalence

ON

• 3x+5x=16

• 5x+12=3x+18

• 5x+18=3x+18

• 3x+12=5x+18

• 45,000x + 2,500x = 54,000x + 1,500x

• 45,000x + 2,500 = 54,000x + 1,500

• 45,000 + 2,500x = 54,000 + 1,500x

• 45,000x + 2,500x = 54,000x + 1,500

• F

• G

• H

• J

Mathematical Equivalence

ON

The perimeter of the rectangle shown is 36 inches. Write an equation to find the value of x.

Tip: Answer should look like a two step equation.

Mathematical Equivalence

ON