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19=2.0x
We move all terms to the left:
19-(2.0x)=0
We add all the numbers together, and all the variables
-(+2.0x)+19=0
We get rid of parentheses
-2.0x+19=0
We add all the numbers together, and all the variables
-2x+19=0
We move all terms containing x to the left, all other terms to the right
-2x=-19
x=-19/-2
x=9+1/2
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