13x+18=7(4x+9)

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Solution for 13x+18=7(4x+9) equation: 



13x+18=7(4x+9)

We move all terms to the left:

13x+18-(7(4x+9))=0



We calculate terms in parentheses: -(7(4x+9)), so:

7(4x+9)

We multiply parentheses

28x+63

Back to the equation:

-(28x+63)



We get rid of parentheses

13x-28x-63+18=0

We add all the numbers together, and all the variables

-15x-45=0

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

-15x=45

x=45/-15

x=-3

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