3*(х+4у)-4х = 2*(2х+у)

Question

3*(х+4у)-4х = 2*(2х+у)

Answer 1

3x + 12y - 4x = 4x + 2y

3x-4x-4x = -12y+2y

-5x = -10y

 

Answer 2

3x+12y-4x=4x+2y

3x-4x-4x=2y-12y

-5x=-10y

5x=10y