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Anonymous Anonymous
  • 15-02-2017
  • Mathematics
Answered

Which equation has solution x = -3?

A

2x - 7 = -1


B

3x + 8 = 1


C

1

2

x + 8 = 10

Eliminate

D

1

2

(2x - 6) = -6

Verified Answer :

garydesir1
garydesir1 garydesir1
  • 23-03-2017

Hi Brainiac

1/2(2x-6) = -6
We need to distribute
(1/2)(2x) + (1/2)(-6) = -6
2x/2 + -6/2 = -6
x - 3 = -6
x = -6 + 3
x = -3
Thus, The answer is D

I apologize for the late answer :(

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