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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

x-(7x-15)+63=0

We get rid of parentheses

x-7x+15+63=0

We add all the numbers together, and all the variables

-6x+78=0

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

-6x=-78

x=-78/-6

x=+13

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