(7x+20)+(2x-5)=159

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Solution for (7x+20)+(2x-5)=159 equation: 



(7x+20)+(2x-5)=159

We move all terms to the left:

(7x+20)+(2x-5)-(159)=0

We get rid of parentheses

7x+2x+20-5-159=0

We add all the numbers together, and all the variables

9x-144=0

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

9x=144

x=144/9

x=16

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