A good first step would be to multiply through to get rid of the parentheses. Then combine "like" terms. I would then add "1m" to either side, subtract the "33", and divide through by 7.
7m-4(2m-3)=3(11+2m)
multiply.so.
7m-8m+12=33+6m
then you add like terms.if there is any.
-m+12=33+6m
-6m -6m
move the m's to the left.
-7m+12=33
-12 -12
then move the numbers to the right.
-7m=21
divide to leave m by itself.
divide -7 to both sides
so you end up with....
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