Question

5 (2x-4) =7 (x+1) -3

Answer 1

$5\cdot(2x-4)=7\cdot(x+1)-3\\ \\ 10x-20=7x+7-3\\ \\ 10x-20=7x+4\\ \\ 10x-7x=4+20\\ \\ 3x=24\\ \\ x=24\div3\\ \\\boxed{x=8}$

:)