Question

7x+1=5x-77 x + 1 = 5x - 7 ​

Answer 1

Explicação passo-a-passo:

7x+1=5x-77

7x-5x=-77-1

2x=-78

x=-78/2

x=-39

============

x + 1 = 5x - 7

x-5x=-7-1

-2x=-8

x=-8/-2

x=4