beatriz233
beatriz233 beatriz233
  • 15-12-2018
  • Mathematics
contestada

Can someone help me on this question?

Can someone help me on this question class=

Respuesta :

JK94 JK94
  • 15-12-2018

Answer:

31


Step-by-step explanation:

3x + 7 = 131 - x

3x + x = 131 - 7

4x = 124

x = 124/4

x = 31


I hope I helped you

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