12x-(4x+5)=-5(6-2x)-7x

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Solution for 12x-(4x+5)=-5(6-2x)-7x equation: 



12x-(4x+5)=-5(6-2x)-7x

We move all terms to the left:

12x-(4x+5)-(-5(6-2x)-7x)=0

We add all the numbers together, and all the variables

12x-(4x+5)-(-5(-2x+6)-7x)=0

We get rid of parentheses

12x-4x-(-5(-2x+6)-7x)-5=0



We calculate terms in parentheses: -(-5(-2x+6)-7x), so:

-5(-2x+6)-7x

We add all the numbers together, and all the variables

-7x-5(-2x+6)

We multiply parentheses

-7x+10x-30

We add all the numbers together, and all the variables

3x-30

Back to the equation:

-(3x-30)



We add all the numbers together, and all the variables

8x-(3x-30)-5=0

We get rid of parentheses

8x-3x+30-5=0

We add all the numbers together, and all the variables

5x+25=0

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

5x=-25

x=-25/5

x=-5

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