2y+3=y-2
2y-y=-2-3
y=-5
2 .0.5-0.7=6.5-1.3x
-6.5-0.2=-1.3x
-6.7=-1.3x
x=67/13
3 .3x-7+4x=6x-2
7x-7=6x-2
x=5
4 .-0.75x+2=13-0.25x
-3x+8=52-x
-2x=44
x=-22
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1 .2y+3=y-2
2y-y=-2-3
y=-5
2 .0.5-0.7=6.5-1.3x
-6.5-0.2=-1.3x
-6.7=-1.3x
x=67/13
3 .3x-7+4x=6x-2
7x-7=6x-2
x=5
4 .(-0.75x+2)×4=(13-0.25x4)×4
-3x+8=52-x
-2x=44
x=-22