-2(-7m+21)-10=7(-5m+2)-45

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Solution for -2(-7m+21)-10=7(-5m+2)-45 equation: 



-2(-7m+21)-10=7(-5m+2)-45

We move all terms to the left:

-2(-7m+21)-10-(7(-5m+2)-45)=0

We multiply parentheses

14m-(7(-5m+2)-45)-42-10=0



We calculate terms in parentheses: -(7(-5m+2)-45), so:

7(-5m+2)-45

We multiply parentheses

-35m+14-45

We add all the numbers together, and all the variables

-35m-31

Back to the equation:

-(-35m-31)



We add all the numbers together, and all the variables

14m-(-35m-31)-52=0

We get rid of parentheses

14m+35m+31-52=0

We add all the numbers together, and all the variables

49m-21=0

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

49m=21

m=21/49

m=3/7

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