2x-5+3x=4+7x+13 ise x=?
2x-5+3x=4+7x+13
5x-5=7x+17
2x=-22
x=-11 olur.
5x-5=17+7x = 7x + (-5x) = 2x
17+5=22 2x =22 = 22:2 = 11 x: 11
