Question

5(x-1)-4(x-3)=-20
помогите пожалуйста

Answer 1

5(x-1)-4(x-3)=-20
5x - 5 - 4x +12 = -20
x + 7 = -20
x = -20 - 7
x = -27
----------------------------------

Answer 2

5x-5-4x+12=-20 5x-4x=-20+5-12 1x=-27