7x-(5x+9)=100

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Solution for 7x-(5x+9)=100 equation: 



7x-(5x+9)=100

We move all terms to the left:

7x-(5x+9)-(100)=0

We get rid of parentheses

7x-5x-9-100=0

We add all the numbers together, and all the variables

2x-109=0

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

2x=109

x=109/2

x=54+1/2

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