Question

solve the equation 4x+5=7x-7

Answer 1

$4x + 5 = 7x - 7 \\ 7x - 4x = 5 + 7 \\ 3x = 12 \\ x = 4$

Answer 2

4x+5=7x-7
4x-7x=-7-5
-3x=-11
x=-12÷-3
x=4