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Given
g(x)=2x+1, solve for
x when
g(x)=-9.
Answer:

Given $g(x)=2 x+1$ , solve for $x$ when $g(x)=-9$ . $\newline$ Answer:

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Find a value using two-variable equations

Full solution

Q. Given

g(x)=2 x+1

, solve for

x

when

g(x)=-9

.

\newline

Answer:

Given function: We are given the function $g(x) = 2x + 1$ and we need to find the value of $x$ when $g(x) = -9$ . $\newline$ Set $g(x)$ equal to $-9$ . $\newline$ $g(x) = -9$ $\newline$ $2x + 1 = -9$
Set equal to $-9$ : Solve for $x$ by subtracting $1$ from both sides of the equation to isolate the term with $x$ . $2x + 1 - 1 = -9 - 1$ $2x = -10$
Solve for x: Divide both sides of the equation by $2$ to solve for x. $\newline$ $\frac{2x}{2} = \frac{-10}{2}$ $\newline$ $x = -5$

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