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(0.3+0.7x)/2=0.85x
We move all terms to the left:
(0.3+0.7x)/2-(0.85x)=0
We add all the numbers together, and all the variables
(0.7x+0.3)/2-(+0.85x)=0
We get rid of parentheses
(0.7x+0.3)/2-0.85x=0
We multiply all the terms by the denominator
(0.7x+0.3)-(0.85x)*2=0
We add all the numbers together, and all the variables
(0.7x+0.3)-(+0.85x)*2=0
We multiply parentheses
(0.7x+0.3)-0x=0
We get rid of parentheses
0.7x-0x+0.3=0
We add all the numbers together, and all the variables
-0.3x+0.3=0
We move all terms containing x to the left, all other terms to the right
-0.3x=-0.3
x=-0.3/-0.3
x=1
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