7x+2x+90=180

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Solution for 7x+2x+90=180 equation:



7x+2x+90=180
We move all terms to the left:
7x+2x+90-(180)=0
We add all the numbers together, and all the variables
9x-90=0
We move all terms containing x to the left, all other terms to the right
9x=90
x=90/9
x=10

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