Solve for m
m=28
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2\times 12=1m-4
Multiply both sides by 12.
24=1m-4
Multiply 2 and 12 to get 24.
1m-4=24
Swap sides so that all variable terms are on the left hand side.
1m=24+4
Add 4 to both sides.
1m=28
Add 24 and 4 to get 28.
m=28
Reorder the terms.
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