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x-0.3x=20.30
We move all terms to the left:
x-0.3x-(20.30)=0
We add all the numbers together, and all the variables
x-0.3x-(20.3)=0
We add all the numbers together, and all the variables
0.7x-20.3=0
We move all terms containing x to the left, all other terms to the right
0.7x=20.3
x=20.3/0.7
x=29+3.5527136788005E-15/0.7
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