3x+4-7x=5-4x+2
-4x+4=7-4x
Adding 4x to each side yields:
4=7, which is not true, so there is no answer (a null set)
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(3x - 1)(3x + 19)
3x + 2 = 3x + 6 This is not possible.
Their graphs are.
(2, -1)
4x plus 7 plus 3x equals 19 plus xx = 2