Solve for m
m=-3
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-2m+1+m=4
Add m to both sides.
-m+1=4
Combine -2m and m to get -m.
-m=4-1
Subtract 1 from both sides.
-m=3
Subtract 1 from 4 to get 3.
m=-3
Multiply both sides by -1.
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Limits
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