M-2m+1=7

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Solution for M-2m+1=7 equation:



-2M+1=7
We move all terms to the left:
-2M+1-(7)=0
We add all the numbers together, and all the variables
-2M-6=0
We move all terms containing M to the left, all other terms to the right
-2M=6
M=6/-2
M=-3

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