Find Missing Variables 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

23 = x + 7

• x = 16

• x = 30

• x = 161

• None of these match my answer

Please solve this equation

1.2x = 9.6

• x = 8

• x = 10.8

• x = 8.4

• None of these match my answer

2) Solve this equation

t - 7 = 2

• t = 9

• t = 7

• t = 5

• None of these match my answer

Please solve this equation

7x = 84

• x = 77

• x = 91

• x = 588

• None of these match my answer

Please solve this equation Melanie and Julian have 50 dinosaurs in total. Julian has 21 dinosaurs. How many dinosaurs does Melanie have?

• g = 29

• g = 71

• g = 1050

• None of these match my answer

Please solve this equation ^c/₉ = 8

• c = 1

• c = 17

• c = ⁸/₉

• None of these match my answer

Please solve this equation

x - 12 = 13

• x = 25

• x = 1

• x = 156

• None of these match my answer

which of the following is the best first step to solve for y ? equation is -2x - 4y = -12

• add 4y to both sides

• subtract 2x from both sides

• add 2x to both sides

• divide by -4