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26-04-2016
Mathematics

contestada

Solve −4(x + 1) − 3 = −3(x − 4).

−19
19
2
0

Respuesta :

Panoyin Panoyin

26-04-2016

-4(x + 1) - 3 = -3(x - 4)
-4(x) - 4(1) - 3 = -3(x) - 3(-4)
-4x - 4 - 3 = -3x + 12
  -4x - 7 = -3x + 12
+ 4x + 4x
   -7 = x + 12
  - 12   -12
-19 = x

The answer is A.

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