X-30=7(2x+3)-12

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Solution for X-30=7(2x+3)-12 equation: 



X-30=7(2X+3)-12

We move all terms to the left:

X-30-(7(2X+3)-12)=0



We calculate terms in parentheses: -(7(2X+3)-12), so:

7(2X+3)-12

We multiply parentheses

14X+21-12

We add all the numbers together, and all the variables

14X+9

Back to the equation:

-(14X+9)



We get rid of parentheses

X-14X-9-30=0

We add all the numbers together, and all the variables

-13X-39=0

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

-13X=39

X=39/-13

X=-3

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