Question
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Solve for \( y \) \[ \frac{4}{y+4}=\frac{8}{2 y+8}-3 \]

Ask by Wells Kelley. in the United States
Mar 21,2025

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Tutor-Verified Answer

Answer

There are no real solutions for \( y \).

Solution

Solve the equation \( \frac{4}{y+4}=\frac{8}{2y+8}-3 \). Solve the equation by following steps: - step0: Solve for \(y\): \(\frac{4}{y+4}=\frac{8}{2y+8}-3\) - step1: Find the domain: \(\frac{4}{y+4}=\frac{8}{2y+8}-3,y\neq -4\) - step2: Divide the terms: \(\frac{4}{y+4}=\frac{4}{y+4}-3\) - step3: Multiply both sides of the equation by LCD: \(\frac{4}{y+4}\times \left(y+4\right)=\left(\frac{4}{y+4}-3\right)\left(y+4\right)\) - step4: Simplify the equation: \(4=-8-3y\) - step5: Swap the sides: \(-8-3y=4\) - step6: Move the constant to the right side: \(-3y=4+8\) - step7: Add the numbers: \(-3y=12\) - step8: Change the signs: \(3y=-12\) - step9: Divide both sides: \(\frac{3y}{3}=\frac{-12}{3}\) - step10: Divide the numbers: \(y=-4\) - step11: Check if the solution is in the defined range: \(y=-4,y\neq -4\) - step12: Find the intersection: \(y \in \varnothing \) The solution to the equation \( \frac{4}{y+4}=\frac{8}{2y+8}-3 \) is that there are no real solutions for \( y \).

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To solve for \( y \), we start with the equation: \[ \frac{4}{y+4} = \frac{8}{2y+8} - 3 \] First, simplify \( \frac{8}{2y+8} \): \[ \frac{8}{2y+8} = \frac{8}{2(y+4)} = \frac{4}{y+4} \] So the equation becomes: \[ \frac{4}{y+4} = \frac{4}{y+4} - 3 \] Now, we can eliminate \( \frac{4}{y+4} \) from both sides: \[ 0 = -3 \] This is a contradiction, meaning our equation has no solutions. Thus, the final answer is: \[ \text{No solution} \]

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