Question

2(x+8)=3(x-1) 8x=-2(x+4) 2x-3分之2(x+3)=-x+3 2(10-0.5y)=-(1.5y

Answer 1

1、2(x+8)=3(x-1) 2x+16=3x-3, 16+3=3x-2x, x=192、8x=-2(x+4) 8x=-2x-8, 8x+2x=-8, 10x=-8, x=-0.83、2x-3分之2(x+3)=-x+3 6x-2(x+3)=-3x+9, 6x-2x-6+3x=9, 7x=9+6=15, x=15/74、2(10-0.5y)=-(1.5y+...