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Identify the missing justifications.

(a) =

(b) =

A 2-column table has 7 rows. The first column is labeled Step with entries 2 x minus 7 = 15, 2 x minus 7 + 7 = 15 + 7, 2 x + 0 = 22, 2 x = 22, (one-half) 2 x = (one half) 22, 1 x = 11, and x = 11. The second column is labeled Justification with entries Given, Addition property of equality, (a), Additive identity, (b), Multiplicative inverse, and Multiplicative identity

Respuesta :

The missing algebra property justification for the equation solution is; Multiplicative Inverse

How to use algebraic properties?

We are given the equation;

2x - 7 = 15

Step 1; Add 7 to both sides to get; 2x - 7 + 7 = 15 + 7

2x = 22

Reason; Addition property of equality

Step 2; Multiply both sides by 1/2(one half) to get;

(1/2) * 2x = (1/2) * 22

x = 11

Reason; Multiplicative Inverse

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