x-7x-15x=63

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Solution for x-7x-15x=63 equation: 



x-7x-15x=63

We move all terms to the left:

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

We add all the numbers together, and all the variables

-21x-63=0

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

-21x=63

x=63/-21

x=-3

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