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1+12-6x=4.2x
We move all terms to the left:
1+12-6x-(4.2x)=0
We add all the numbers together, and all the variables
-6x-(+4.2x)+1+12=0
We add all the numbers together, and all the variables
-6x-(+4.2x)+13=0
We get rid of parentheses
-6x-4.2x+13=0
We add all the numbers together, and all the variables
-10.2x+13=0
We move all terms containing x to the left, all other terms to the right
-10.2x=-13
x=-13/-10.2
x=1+1/3.64285714286
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