Question

como resolver 5x+3=7x-7 ?

Answer 1

5x+3=7x-7
5x-7x=-3-7
-2x=-10 (-1)
2x=10
x=10/2
x=5

Answer 2

5x+3=7x-7
5x-7x=-3-7
-2x=-10
x=+5