10.4(3x+9)+7(x+3)=-2(x+1)+2(x-7)

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Solution for 10.4(3x+9)+7(x+3)=-2(x+1)+2(x-7) equation: 



10.4(3x+9)+7(x+3)=-2(x+1)+2(x-7)

We move all terms to the left:

10.4(3x+9)+7(x+3)-(-2(x+1)+2(x-7))=0

We multiply parentheses

31.2x+7x-(-2(x+1)+2(x-7))+93.6+21=0



We calculate terms in parentheses: -(-2(x+1)+2(x-7)), so:

-2(x+1)+2(x-7)

We multiply parentheses

-2x+2x-2-14

We add all the numbers together, and all the variables

-16

Back to the equation:

-(-16)



We add all the numbers together, and all the variables

38.2x+130.6=0

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

38.2x=-130.6

x=-130.6/38.2

x=-3+8/19.1

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