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Hunter-Best [27]
2 years ago
6

What is the solution to the equation 1/4x+2=-5/8x-5? O X=-8 O X=-7 O X=7 O X=8

Mathematics
1 answer:
Elza [17]2 years ago
7 0

Answer:

The solution to the equation \frac{1}{4}x+2=\frac{-5}{8}x-5 is \mathbf{x=-8}

Option A is correct option.

Step-by-step explanation:

What is the solution to the equation \frac{1}{4}x+2=\frac{-5}{8}x-5

Solving the equation

\frac{1}{4}x+2=\frac{-5}{8}x-5

Subtracting 2 on both sides

\frac{1}{4}x+2-2=\frac{-5}{8}x-5-2\\\frac{1}{4}x=\frac{-5}{8}x-7

Adding 5/8x  on both sides

\frac{1}{4}x+\frac{5}{8}x=\frac{-5}{8}x-7+\frac{5}{8}x\\\frac{2x+5x}{8}=-7 \\\frac{7x}{8}=-7

Multiply both sides by 8/7

\frac{7x}{8}\times \frac{8}{7}=-7  \times \frac{8}{7}\\x=-8

So, we get x = -8

The solution to the equation \frac{1}{4}x+2=\frac{-5}{8}x-5 is \mathbf{x=-8}

Option A is correct option.

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Explanation:
The general rule of cosine is:
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In our triangle:
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