Solving Equations and Inequality Word Problems with Variables on Both Sides

After paying $5.12 for a salad, Kamauri has $27.10. How much money did he have before buying the salad?

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

Tags

CCSS.HSA.CED.A.3

In this soccer season, Emma has scored 1 more than twice the number of Nick's goals.  If Emma has scored 15 goals, which equation can be used to find x, the number of Nick's goals?

• x - 15 = 1

• x + 1 = 15

• 2x + 1 = 15

• x + 1 = x + 15

Tags

CCSS.HSA.CED.A.3

Which equation would describe "two times a number plus five equals 15"?

• x + 5 = 15

• 2x + 5=15

• x + 2(5) = 15

• 2(x + 5) = 15

Look at the work. What was done incorrectly?

• Don't divide by 2 first

• Don't add 7 to both sides

• It's correct!

• They should have subtracted 7

Tags

CCSS.HSA.REI.A.1

What is the solution to this equation? (3/4)x + 7 = (x/4) - 8. Enter your answer in the box.

Mathematical Equivalence

ON

Mathematical Equivalence

ON

WHAT IS THE CORRECT EQUATION TO FIND THE VALUE OF X?

• X=12

• 8X - 17 + 5X +19 = 180

• 8X - 17 = 5X +19

• X= -12

Tags

CCSS.8.G.A.5

Solve and graph the inequality.

• A

• B

• C

• D

Tags

CCSS.7.EE.B.4B

Solve the inequality

• A

• B

• C

• D