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x+2.9=8+x/2
We move all terms to the left:
x+2.9-(8+x/2)=0
We add all the numbers together, and all the variables
x-(x/2+8)+2.9=0
We get rid of parentheses
x-x/2-8+2.9=0
We multiply all the terms by the denominator
x*2-x-8*2+(2.9)*2=0
We add all the numbers together, and all the variables
-1x+x*2-10.2=0
Wy multiply elements
-1x+2x-10.2=0
We add all the numbers together, and all the variables
x-10.2=0
We move all terms containing x to the left, all other terms to the right
x=10.2
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