7x-9=100

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Solution for 7x-9=100 equation: 



7x-9=100

We move all terms to the left:

7x-9-(100)=0

We add all the numbers together, and all the variables

7x-109=0

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

7x=109

x=109/7

x=15+4/7

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