309.89=7(0.05m+30.90+0.30)

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Solution for 309.89=7(0.05m+30.90+0.30) equation: 



309.89=7(0.05m+30.90+0.30)

We move all terms to the left:

309.89-(7(0.05m+30.90+0.30))=0

We add all the numbers together, and all the variables

-(7(0.05m+31.2))+309.89=0



We calculate terms in parentheses: -(7(0.05m+31.2)), so:

7(0.05m+31.2)

We multiply parentheses

0m+218.4

We add all the numbers together, and all the variables

m+218.4

Back to the equation:

-(m+218.4)



We get rid of parentheses

-m-218.4+309.89=0

We add all the numbers together, and all the variables

-1m+91.49=0

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

-m=-91.49

m=-91.49/-1

m=91+0.48999999999999/1

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