-117.87=6.7(-2.1-2.8m)-2m

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Solution for -117.87=6.7(-2.1-2.8m)-2m equation: 



-117.87=6.7(-2.1-2.8m)-2m

We move all terms to the left:

-117.87-(6.7(-2.1-2.8m)-2m)=0

We add all the numbers together, and all the variables

-(6.7(-2.8m-2.1)-2m)-117.87=0



We calculate terms in parentheses: -(6.7(-2.8m-2.1)-2m), so:

6.7(-2.8m-2.1)-2m

We add all the numbers together, and all the variables

-2m+6.7(-2.8m-2.1)

We multiply parentheses

-2m-13.4m-14.07

We add all the numbers together, and all the variables

-15.4m-14.07

Back to the equation:

-(-15.4m-14.07)



We get rid of parentheses

15.4m+14.07-117.87=0

We add all the numbers together, and all the variables

15.4m-103.8=0

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

15.4m=103.8

m=103.8/15.4

m=6+8.1428571428572/11

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