XxCardib XxCardib
  • 02-02-2018
  • Mathematics
contestada

7 (x + 4) = 8x + 31 Solve the following please

Respuesta :

emily403
emily403 emily403
  • 02-02-2018
7x + 28 = 8x + 31
-3 =x
Answer Link
fsebastian7683 fsebastian7683
  • 02-02-2018
Substitution=7x + 28 = 8x +31
7x-8x=31-28
-1x=3
x=-3
Answer Link

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