Question

What is the answer 5x-7+7=x17

Answer 1

5x-7+7=x*17

5x=17x

17x-5x=0

x(17-5)=0

12x=0

Therefore, x=0.

Answer 2

$5x-7+7=17x\\\\5x=17x\ \ \ \ \ |subtract\ 17x\ from\ both\ sides\\\\-12x=0\ \ \ \ \ |divide\ both\ sides\ by\ (-12)\\\\\boxed{x=0}$