Question

0.3(x-1) +0.5(X+6)=0.75 (3x – 8)-1.2x.​

Answer 1

0.3(x-1)+0.5(x+6)=0.75(3x-8)-1.2x

Multiplying both sides by 10:

10{0.3(x-1)+0.5(x+6)=10{0.75(3x-8)-1.2x}

3(x-1)+5(x+6)=7.5(3x-8)-12x

3x-3+5x+30=22.5x-60-12x

8x+27=10.5x-60

27+60=10.5x-8x

87=2.5x

x=87/2.5

x=34.8