7x+4x=9900

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Solution for 7x+4x=9900 equation: 



7x+4x=9900

We move all terms to the left:

7x+4x-(9900)=0

We add all the numbers together, and all the variables

11x-9900=0

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

11x=9900

x=9900/11

x=900

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