90x+21x=15000

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Solution for 90x+21x=15000 equation: 



90x+21x=15000

We move all terms to the left:

90x+21x-(15000)=0

We add all the numbers together, and all the variables

111x-15000=0

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

111x=15000

x=15000/111

x=135+5/37

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