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19-3x=2x+4x
We move all terms to the left:
19-3x-(2x+4x)=0
We add all the numbers together, and all the variables
-3x-(+6x)+19=0
We get rid of parentheses
-3x-6x+19=0
We add all the numbers together, and all the variables
-9x+19=0
We move all terms containing x to the left, all other terms to the right
-9x=-19
x=-19/-9
x=2+1/9
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