(7x+21)+(10x-3)=90

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Solution for (7x+21)+(10x-3)=90 equation: 



(7x+21)+(10x-3)=90

We move all terms to the left:

(7x+21)+(10x-3)-(90)=0

We get rid of parentheses

7x+10x+21-3-90=0

We add all the numbers together, and all the variables

17x-72=0

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

17x=72

x=72/17

x=4+4/17

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