If that's four times x plus three, the answer is 4x + 12
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4x + 3 doesn't factor. It is in its simplest form.
It can't be simplified any more. That is the answer, 3*4X or 12x
If the question gives 4x-3=9, then we can solve: 4x-3=9 4x=6 x=3/2, or 1.5
Is there an operator missing from this question? * 3 + 4x = 19 => x = 4 * 3 - 4x = 19 => x = -4 * 3 . 4x = 19 => x = 19/12
4x-6 = -2x-3 4x+2x = 6-3 6x = 3 x = 3/6 = 1/2