7x-15=4(3x+9)-6

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Solution for 7x-15=4(3x+9)-6 equation: 



7x-15=4(3x+9)-6

We move all terms to the left:

7x-15-(4(3x+9)-6)=0



We calculate terms in parentheses: -(4(3x+9)-6), so:

4(3x+9)-6

We multiply parentheses

12x+36-6

We add all the numbers together, and all the variables

12x+30

Back to the equation:

-(12x+30)



We get rid of parentheses

7x-12x-30-15=0

We add all the numbers together, and all the variables

-5x-45=0

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

-5x=45

x=45/-5

x=-9

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