Reasoning Solving 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

Which property justifies step 6?

• Multiplication Property of Equality

• Subtraction Property of Equality

• Substitution Property of Equality

• Division Property of Equality

Which property justifies step 4?

• Addition Property of Equality

• Subtraction Property of Equality

• Combine Like Terms

• Division Property of Equality

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

Which property justifies step 5?

• Multiplication Property of Equality

• Subtraction Property of Equality

• Combine Constant Terms

• Division Property of Equality

Solve:

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above