Solving Equations Answers

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Simplify 22 – 5(2x + 4).

–10x + 26

–10x + 2

34x + 4

34x + 68

Simplify x + 3x – 36.

3x – 36

3x2 – 36

4x – 36

4x2 – 36

Which of the following statements correctly illustrate the addition property of equality? Check all of the boxes that apply.

If a = b, then a + c = b + c.

If x = y, then x + 2 = y- 2.

If w + 2 = 7, then w + 2-2 = 7- 2.

If z-=9,then z-+=9-.

Identify the missing justifications.(a) =

Multiplication property of equality

Additive identity property

Additive inverse property

(b) =

Multiplication property of equality

Additive identity property

Additive inverse property

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