7(18-x)-6(3-5x)=-(7x+9)-3(2x+5)=12

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Solution for 7(18-x)-6(3-5x)=-(7x+9)-3(2x+5)=12 equation: 



7(18-x)-6(3-5x)=-(7x+9)-3(2x+5)=12

We move all terms to the left:

7(18-x)-6(3-5x)-(-(7x+9)-3(2x+5))=0

We add all the numbers together, and all the variables

7(-1x+18)-6(-5x+3)-(-(7x+9)-3(2x+5))=0

We multiply parentheses

-7x+30x-(-(7x+9)-3(2x+5))+126-18=0



We calculate terms in parentheses: -(-(7x+9)-3(2x+5)), so:

-(7x+9)-3(2x+5)

We multiply parentheses

-(7x+9)-6x-15

We get rid of parentheses

-7x-6x-9-15

We add all the numbers together, and all the variables

-13x-24

Back to the equation:

-(-13x-24)



We add all the numbers together, and all the variables

23x-(-13x-24)+108=0

We get rid of parentheses

23x+13x+24+108=0

We add all the numbers together, and all the variables

36x+132=0

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

36x=-132

x=-132/36

x=-3+2/3

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