7x-100=2x+1200

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Solution for 7x-100=2x+1200 equation: 



7x-100=2x+1200

We move all terms to the left:

7x-100-(2x+1200)=0

We get rid of parentheses

7x-2x-1200-100=0

We add all the numbers together, and all the variables

5x-1300=0

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

5x=1300

x=1300/5

x=260

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