1) 2x-1.8x-3=-32
0.2x=-32+3
0.2x=-29
x=-145
2) -0.6a*0.75b*(-c)=0.45*a*b*c
3)-(2a-3)+(4a-2)=-2a+3+4a-2=2a+1
4) 4(1.25-0.9y)-3x+4.6=5-3.6y-3x+4.6=9.6-3.6y-3x
1) 2x-1.8x-3=-32
0.2x=-32+3
0.2x=-29
x=-145
2) -0.6a*0.75b*(-c)=0.45*a*b*c
3)-(2a-3)+(4a-2)=-2a+3+4a-2=2a+1
4) 4(1.25-0.9y)-3x+4.6=5-3.6y-3x+4.6=9.6-3.6y-3x