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2x+6x+3=2(4x)-1
We move all terms to the left:
2x+6x+3-(2(4x)-1)=0
We add all the numbers together, and all the variables
8x-(24x-1)+3=0
We get rid of parentheses
8x-24x+1+3=0
We add all the numbers together, and all the variables
-16x+4=0
We move all terms containing x to the left, all other terms to the right
-16x=-4
x=-4/-16
x=1/4
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