Question

解方程；2(X-0.7)=4.8 1/8(X+0.5)=75% 9*8-4X=60 5X-20%X=19.2 3X-0.

Answer 1

2x-1.4=4.8 (1/8)x+1/16=3/4 72-4x=60 5x-0.2x=19.2

2x=4.8+1.4 (1/8)x=3/4-1/16 4x=72-60 4.8x=19.2

2x=6.2 (1/8)x=11/16 4x=12 x=4

x=3.1 x=(11/16)*8=11/2 x=3

3x-0.8*0.75=2.1

3x-0.6=2.1

3x=2.1+0.6

3x=2.7

x=0.9