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5 votes
6 − x = −12

A) -18

B) -6

C) 0

D) 18

User Smartmouse
by
7.6k points

2 Answers

3 votes

Answer:

D. 18

Explanation:

The first thing you need to do is subtract 6 from both sides. This makes it cancel out on the left, since 6 - 6 = 0, and subtract 6 from -12:

6 − x = −12

-6 - 6

________

-x = -18

Then divide both sides by -1, because there's a negative sign (-) in front of the x, meaning there's like an invisible 1 there:

-1x = -18

x = 18

User Soufiene
by
8.6k points
2 votes

Answer: D) 18

Explanation:

6 - x = -12

Subtract 6 from both sides.

-x = -18

Divide by -1 on both sides so as to isolate x.

x = 18

User Mtnezm
by
9.3k points

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