Question

resouer a equação 7(×+10)=8(×+8)​

Answer 1

Resposta:

7(x+10)=8(x+8)

7x+70=8x+64

7x-8x+70=64

7x-8x=64-70

-x=64-70

-x=-6

x=6

Answer 2

7(x+10) = 8(x+8)

7x + 70 = 8x + 64

7x - 8x = 64 - 70

- x = - 6 . (-1)

x = 6