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Lady bird [3.3K]
3 years ago
7

Solve for x 2\3x =-1

Mathematics
2 answers:
zhuklara [117]3 years ago
6 0

Answer:

x = -(3/2)

Step-by-step explanation:

i'm going to assume that the left side is (2/3)x and not 2/(3x). If so let me know and i'll change it.

(2\3)x =-1   (multiply both sides by 3)

2x = -1 (3)

2x = -3  (divide both sides by 2)

x = (-3) / 2

x = -(3/2)

qaws [65]3 years ago
6 0

Answer:

x = -3/2 or -1.5

Step-by-step explanation:

2/3x = - 1

x = - 1 / 2/3

x = - 1 * 3/2

x = - 3/2

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Roman55 [17]

Answer:

(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}

(x,y)=\left(\; \boxed{5,16} \; \right)\quad \textsf{(larger $x$-value)}

Step-by-step explanation:

Given system of equations:

\begin{cases}y=x^2-9\\y=4x-4\end{cases}

To solve by the method of substitution, substitute the first equation into the second equation and rearrange so that the equation equals zero:

\begin{aligned}x^2-9&=4x-4\\x^2-4x-9&=-4\\x^2-4x-5&=0\end{aligned}

Factor the quadratic:

\begin{aligned}x^2-4x-5&=0\\x^2-5x+x-5&=0\\x(x-5)+1(x-5)&=0\\(x+1)(x-5)&=0\end{aligned}

Apply the <u>zero-product property</u> and solve for x:

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Substitute the found values of x into the <u>second equation</u> and solve for y:

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Therefore, the solutions are:

(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}

(x,y)=\left(\; \boxed{5,16} \; \right)\quad \textsf{(larger $x$-value)}

6 0
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Find the inequality represented by the graph.
iris [78.8K]

Answer:

<h2>x \geqslant  \frac{y + 4}{3}</h2>

Explanation;

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y=mx+c

when,

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Hope this helps...

Good luck on your assignment...

7 0
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