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vesna_86 [32]
3 years ago
12

What is the value of x?

Mathematics
2 answers:
murzikaleks [220]3 years ago
7 0
Your value is


*drumroll*

28!
Gre4nikov [31]3 years ago
6 0
The value of x is 28
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Answer:

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Step-by-step explanation:

When the -4 is plugged in, it needs to be multiplied and then added to 39. That equals -45.

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Can someone please simplify the complex fraction?
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\bf \cfrac{\underline{x+3}}{4\underline{(x-2)}(x+2)}\cdot \cfrac{\underline{x-2}}{\underline{(x+3)}(x+2)}\implies \cfrac{1}{4(x+2)}\cdot \cfrac{1}{x+2}
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3 years ago
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marissa [1.9K]

Given that the triangle is isosceles, we can say that AB = AC. Using the given expressions we can form the following equation.

\begin{gathered} AB=AC \\ 5x+8=7x-6 \end{gathered}

Let's solve for x.

\begin{gathered} 8+6=7x-5x \\ 14=2x \\ x=\frac{14}{2} \\ x=7 \end{gathered}

Once we have the value of the variable, we can find the length of AC.

\begin{gathered} AC=7x-6 \\ AC=7(7)-6 \\ AC=49-6 \\ AC=43 \end{gathered}<h2>Therefore, the length of AC is 43.</h2>
3 0
1 year ago
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