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6x-10+12x+20=3.5x-1.5+9x-3
We move all terms to the left:
6x-10+12x+20-(3.5x-1.5+9x-3)=0
We add all the numbers together, and all the variables
6x+12x-(12.5x-4.5)-10+20=0
We add all the numbers together, and all the variables
18x-(12.5x-4.5)+10=0
We get rid of parentheses
18x-12.5x+4.5+10=0
We add all the numbers together, and all the variables
5.5x+14.5=0
We move all terms containing x to the left, all other terms to the right
5.5x=-14.5
x=-14.5/5.5
x=-2+2.3333333333333/3.6666666666667
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