M+(m-7)+3m=103

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Solution for M+(m-7)+3m=103 equation: 



+(M-7)+3M=103

We move all terms to the left:

+(M-7)+3M-(103)=0

We add all the numbers together, and all the variables

3M+(M-7)-103=0

We get rid of parentheses

3M+M-7-103=0

We add all the numbers together, and all the variables

4M-110=0

We move all terms containing M to the left, all other terms to the right

4M=110

M=110/4

M=27+1/2

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