8x+21x-12+10x-9=270

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Solution for 8x+21x-12+10x-9=270 equation: 



8x+21x-12+10x-9=270

We move all terms to the left:

8x+21x-12+10x-9-(270)=0

We add all the numbers together, and all the variables

39x-291=0

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

39x=291

x=291/39

x=7+6/13

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