Question

Solve: 9/7x-9=2/7x-4

Answer 1

9/7x - 9 = 2/7x - 4
9/7x - 2/7x = -4+9
7/7x = 5
x = 5

Answer 2

9/7x-9=2/7x-4

We simplify the equation to the form, which is simple to understand
9/7x-9=2/7x-4

We move all terms containing x to the left and all other terms to the right.
+7x-7x=-4+9

We simplify left and right side of the equation.
0x=+5

0=5