7m+5=4m+20

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Solution for 7m+5=4m+20 equation: 



7m+5=4m+20

We move all terms to the left:

7m+5-(4m+20)=0

We get rid of parentheses

7m-4m-20+5=0

We add all the numbers together, and all the variables

3m-15=0

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

3m=15

m=15/3

m=5

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