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8(x9+3)=x12+2(3+6)
We move all terms to the left:
8(x9+3)-(x12+2(3+6))=0
We add all the numbers together, and all the variables
8(+x^9+3)-(x12+29)=0
We multiply parentheses
8x^9-(x12+29)+24=0
We get rid of parentheses
8x^9-x12-29+24=0
We do not support expression: x^9
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