Verified Answer :

apologiabiology

remember you can do anything to an equation as long asyou do it to both sides

4x+2(x-3)=3x+x-12
distribute and expand
4x+2x-6=4x-12
6x-6=4x-12
minus 4x both sides
2x-6=-12
add 6 both sides
2x=-6
divide by 2
x=-3

A is the answer

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