Question

Me ajudem pfvr -5(x-4)-3(3x+1)=-7

Answer 1

Resposta:

-5(x-4)-3(3x+1)=-7

-5x+20-9x-3=-7

-5x-9x=-7+3-20

-14x=-24

x=24/14

x=12/7

Answer 2

- 5(x - 4) - 3(3x + 1)= - 7

- 5x + 20 - 9x - 3= - 7

- 5x - 9x= - 7 - 20 + 3

- 14x= - 24 >> .(-1)

14x= 24

x= 24/14