Model and Solve Equations

Solve this equation

a - 2.1 = 5.8

• a = 7.9

• a = 3.7

• a = 5.8

• None of these match my answer

Please solve this equation

^p/₅ = 7

• p = 35

• p = 12

• p = 2

• None of these match my answer

Please solve this equation

• m = 18

• m = 2 ¹/₈

• m = 424

• None of these match my answer

Please solve this equation

23 = x + 7

• x = 16

• x = 30

• x = 161

• None of these match my answer

Greens are positive and reds are negative. Solve for x.

• x + 9 = -8

• -x + 9 = -8

• x - 9 = -8

• x + 9 = 8

Which of these equations could be represented by this model?

• 3x = 9

• x + 3 = 9

• x = 12

• 2x + 3 = 10

What is the equation and the solution for the given model?

• 3x-4=5

• 3-4x=5

• 3-4x=5

• 3x-4=5

What would be the first step to solving the equation being modeled? (green=x red = -1 blue = 1)

• -2x - 4= 10

• 2x - 4 = 10

• -2x -4= -10

• 2x + 4 = 10

Green boxes are equal to 1 and red boxes are equal to -1. Solve for x.

• 12 = 3x + 6

• 12 = 3x - 6

• -12 = 3x -6

• 12 = -3x -6

2) Solve this equation

t - 7 = 2

• t = 9

• t = 7

• t = 5

• None of these match my answer