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0.87+0.2x=x
We move all terms to the left:
0.87+0.2x-(x)=0
We add all the numbers together, and all the variables
-0.8x+0.87=0
We move all terms containing x to the left, all other terms to the right
-0.8x=-0.87
x=-0.87/-0.8
x=1+0.07/0.8
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