3,4(2,5у+3)-2,2=-4(2-2,7у)-1,5у

Question

3,4(2,5у+3)-2,2=-4(2-2,7у)-1,5у

Answer 1

3,4(2,5у+3)-2,2=-4(2-2,7у)-1,5у
8,5y+10,2-2,2=-8+10,8y-1,5y
8,5y+8=-8+9,3y
8,5y-9,3y=-8-8
-0,8y=-16
y=-16:(-0,8)
y= 20