tony02avalos
tony02avalos tony02avalos
  • 24-06-2018
  • Mathematics
contestada

-x+12=3(4x+8)+1

a) {-1}

b) { all real numbers }

c) {-16}

d) {5}

Respuesta :

mkryukova19 mkryukova19
  • 24-06-2018
-x+12=3(4x+8)+1
- x + 12 = 12x + 24 +1
13x= 12-25
13x = - 13
x = - 1
Answer is A. {-1}
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