Question

последнии 2 уравнения в 1 номере и 1 уравн. во 2 номере

Answer 1

-0.6x-(1.5-2x)=3(-0.1-0.2x)
-0.6x+1.5+2x=-0.3-0.6x
1.4x+1.5=-0,3-0.6x
1.4x+0.6x=-1.5-0.3
2x=-1.8
x=-9

(y-3)*(-9)=4*(5-2y)
-9y+27=20-10y
-9y+10y=-27+20
y= -7


2(-5x-8)-3(x-4)-5(-8x+6)   x=-1
10x-16+3x-12-40x+30
-47x+2