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  • 03-12-2020
  • Mathematics
contestada

Solve 6x+8+7x-9=90 this is pretty hard tbh

Respuesta :

Аноним Аноним
  • 03-12-2020

Answer:

x=7

Step-by-step explanation:

6x+8+7x-9=90

13x+8-9=90

13x-1=90

add 1 to both sides

= 13x=91

divide both sides by 13

= x=7

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