(20x+10)+(3x+9)=180

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Solution for (20x+10)+(3x+9)=180 equation:



(20x+10)+(3x+9)=180
We move all terms to the left:
(20x+10)+(3x+9)-(180)=0
We get rid of parentheses
20x+3x+10+9-180=0
We add all the numbers together, and all the variables
23x-161=0
We move all terms containing x to the left, all other terms to the right
23x=161
x=161/23
x=7

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