(1)y+1/4=x+2/3①
2x-3y=1②
①*3+②:2x+3/4=3x+2
x=-9/4 y=-6/11
2)1-0.3(y-2)=x+1/5①
y-3/4=4x+9/20-1.5②
①*4-②:4-1.2(y-2)-y+3/4=4x+4/5-4x-9/20+1.5
x= 149/220 y=53/22
(1)y+1/4=x+2/3①
2x-3y=1②
①*3+②:2x+3/4=3x+2
x=-9/4 y=-6/11
2)1-0.3(y-2)=x+1/5①
y-3/4=4x+9/20-1.5②
①*4-②:4-1.2(y-2)-y+3/4=4x+4/5-4x-9/20+1.5
x= 149/220 y=53/22