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-5y=-47-13
-5y=-60
y=12
2) 2(1-m)+3=m-4
2-2m+3=m-4
-2m-m=-4-5
m=3
3) 3x-5=x+7
3x-x=7+5
2x=12
x=6
-5y=-47-13
-5y=-60
y=-60/-5=12
2]2(1-m)+3=m-4
2-2m+3=m-4
-2m+5=m-4
-2m-m=-4-5
-3m=-9
m=-9/-3=3
3]3x-5=x+7
3x-x=7+5
2x=12
x=12/2=6