[ Answer ]
X = -3
[ Explanation ]
Group Like Terms:
2x + 7x + 3 = -24
Add Similar Elements: 2x + 7x = 9x
9x + 3 = -24
Subtract 3 From Both Sides:
9x + 3 - 3 = (-24) - 3
Simplify:
9x = -24
Divide Both Sides By 9:
9x / 9 = -24 / 9
Simplify:
= -3
<> Eclipsed <>