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2.8x+10x+10.5=8.5x-6x-15
We move all terms to the left:
2.8x+10x+10.5-(8.5x-6x-15)=0
We add all the numbers together, and all the variables
2.8x+10x-(2.5x-15)+10.5=0
We add all the numbers together, and all the variables
12.8x-(2.5x-15)+10.5=0
We get rid of parentheses
12.8x-2.5x+15+10.5=0
We add all the numbers together, and all the variables
10.3x+25.5=0
We move all terms containing x to the left, all other terms to the right
10.3x=-25.5
x=-25.5/10.3
x=-2+1.6896551724138/3.551724137931
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