7x-9x-84=105-5x

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Solution for 7x-9x-84=105-5x equation: 



7x-9x-84=105-5x

We move all terms to the left:

7x-9x-84-(105-5x)=0

We add all the numbers together, and all the variables

7x-9x-(-5x+105)-84=0

We add all the numbers together, and all the variables

-2x-(-5x+105)-84=0

We get rid of parentheses

-2x+5x-105-84=0

We add all the numbers together, and all the variables

3x-189=0

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

3x=189

x=189/3

x=63

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