20x-9+10x+9=180

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Solution for 20x-9+10x+9=180 equation:



20x-9+10x+9=180
We move all terms to the left:
20x-9+10x+9-(180)=0
We add all the numbers together, and all the variables
30x-180=0
We move all terms containing x to the left, all other terms to the right
30x=180
x=180/30
x=6

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