10x-3+21x+4+84=90

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Solution for 10x-3+21x+4+84=90 equation: 



10x-3+21x+4+84=90

We move all terms to the left:

10x-3+21x+4+84-(90)=0

We add all the numbers together, and all the variables

31x-5=0

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

31x=5

x=5/31

x=5/31

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