Question

5道解一元一次方程题!在线等!要步骤!速度!

Answer 1

0.5x-0.7=6.5-1.3x

1.8x=7.2

x=4

65％（y-1）=37％（y+1）-0.82

25%y=1.02-0.82

y=0.8

2.4-y-4 / 2.5=0.6y

1.6y=0.8

y=0.5

x+1 / 0.2 - 3x-1 / 0.4 = 1

2x+2-3x+1=0.4

x=2.6

0.1x-0.2 / 0.02 - x+1 / 0.5 =3

5x-10-2x-2=3

x=5