8x+7-x+5=4x-12-(x-30)

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Solution for 8x+7-x+5=4x-12-(x-30) equation: 



8x+7-x+5=4x-12-(x-30)

We move all terms to the left:

8x+7-x+5-(4x-12-(x-30))=0

We add all the numbers together, and all the variables

7x-(4x-12-(x-30))+12=0



We calculate terms in parentheses: -(4x-12-(x-30)), so:

4x-12-(x-30)

determiningTheFunctionDomain
4x-(x-30)-12

We get rid of parentheses

4x-x+30-12

We add all the numbers together, and all the variables

3x+18

Back to the equation:

-(3x+18)



We get rid of parentheses

7x-3x-18+12=0

We add all the numbers together, and all the variables

4x-6=0

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

4x=6

x=6/4

x=1+1/2

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