6x + 4 = 3x + 19
3x + 4 = 19
3x = 15
x = 5
Check it.
30 + 4 = 15 + 19
It checks.
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The equivalent expression of 3x-9 plus 3x plus 5 is negative 4.
2(3x + 4) + 5x - 2
the answer is (3x-2)(9x squared+6x+4)
(x - 3x - 6) / 6 = (3x + 2) / 2 ∴2(3x + 2) = 6(3x + 2) ∴6x + 4 = 18x = 12 ∴12x = -8 ∴x = -2/3
(3x+1)(2x+4) = 6x2+4+2x+12x = 6x2+14x+4