21+9x+12+15x-3=180

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Solution for 21+9x+12+15x-3=180 equation: 



21+9x+12+15x-3=180

We move all terms to the left:

21+9x+12+15x-3-(180)=0

We add all the numbers together, and all the variables

24x-150=0

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

24x=150

x=150/24

x=6+1/4

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