12.20=2.60+2.40(m-1)

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Solution for 12.20=2.60+2.40(m-1) equation: 



12.20=2.60+2.40(m-1)

We move all terms to the left:

12.20-(2.60+2.40(m-1))=0

We add all the numbers together, and all the variables

-(2.60+2.40(m-1))+12.2=0



We calculate terms in parentheses: -(2.60+2.40(m-1)), so:

2.60+2.40(m-1)

determiningTheFunctionDomain
2.40(m-1)+2.60

We add all the numbers together, and all the variables

2.40(m-1)+2.6

We multiply parentheses

2.4m-2.4+2.6

We add all the numbers together, and all the variables

2.4m+0.2

Back to the equation:

-(2.4m+0.2)



We get rid of parentheses

-2.4m-0.2+12.2=0

We add all the numbers together, and all the variables

-2.4m+12=0

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

-2.4m=-12

m=-12/-2.4

m=+5

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