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8.9-0.3x=0.8x
We move all terms to the left:
8.9-0.3x-(0.8x)=0
We add all the numbers together, and all the variables
-0.3x-(+0.8x)+8.9=0
We get rid of parentheses
-0.3x-0.8x+8.9=0
We add all the numbers together, and all the variables
-1.1x+8.9=0
We move all terms containing x to the left, all other terms to the right
-1.1x=-8.9
x=-8.9/-1.1
x=8+0.1/1.1
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