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3+4x=15*
We move all terms to the left:
3+4x-(15*)=0
We add all the numbers together, and all the variables
4x+3-0=0
We add all the numbers together, and all the variables
4x+3=0
We move all terms containing x to the left, all other terms to the right
4x=-3
x=-3/4
x=-3/4
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