kamilaluciana52 kamilaluciana52
  • 04-09-2019
  • Mathematics
contestada

ayuda porfa
3x + 20 = 8x+60

Respuesta :

meredith48034
meredith48034 meredith48034
  • 04-09-2019

Answer:

3x + 20 = 8x + 60

-5x + 20 = 60

-5x = 40

x = -8

Step-by-step explanation:

Answer Link
Аноним Аноним
  • 04-09-2019

3x + 20 = 8x+60

Move 8x to the other side

Sign changes from +8x to -8x

3x-8x+20= 8x-8x+60

3x-8x+20= 60

-5x+20= 60

Move 20 to the other side

Sign changes from +20 to -20

-5x+20-20= 60-20

-5x= 60-20

-5x= 40

Divide by -5 for both sides

-5x/-5= 40/-5

Answer: x= -8

Answer Link

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