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Travka [436]
2 years ago
15

-x+4x-9=8x+6 what’s X?

Mathematics
2 answers:
Xelga [282]2 years ago
7 0

Answer:

X= -3

Step-by-step explanation:

3x-9=8x+6

3x-8x=6=9

-5x=15

x=-3

OverLord2011 [107]2 years ago
5 0

Answer:

x = -3

Step-by-step explanation:

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If the vertex of a parabola is (-4, 6) and another point on the curve is (-3, 14), what is the coefficient of the squared expres
Luda [366]
\bf \qquad \textit{parabola vertex form}\\\\\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array}\qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
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\\\\\\
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\\\\\\
\textit{we also know that }
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