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8.5+2.9(x)=x
We move all terms to the left:
8.5+2.9(x)-(x)=0
We add all the numbers together, and all the variables
1.9x+8.5=0
We move all terms containing x to the left, all other terms to the right
1.9x=-8.5
x=-8.5/1.9
x=-4+0.9/1.9
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