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\begin{tabular}{l} Solve for \( y \) : \\ \( \frac{-7 y}{3}-5<-7 \) \\ \hline \\ \hline\end{tabular}

Ask by Davey Turnbull. in South Africa
Mar 11,2025

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Tutor-Verified Answer

Answer

\( y > \frac{6}{7} \)

Solution

Solve the equation \( \frac{-7y}{3}-5<-7 \). Solve the inequality by following steps: - step0: Solve for \(y\): \(\frac{-7y}{3}-5<-7\) - step1: Rewrite the fraction: \(-\frac{7y}{3}-5<-7\) - step2: Multiply both sides: \(\left(-\frac{7y}{3}-5\right)\times 3<-7\times 3\) - step3: Multiply the terms: \(-7y-15<-21\) - step4: Move the constant to the right side: \(-7y<-21+15\) - step5: Add the numbers: \(-7y<-6\) - step6: Change the signs: \(7y>6\) - step7: Divide both sides: \(\frac{7y}{7}>\frac{6}{7}\) - step8: Divide the numbers: \(y>\frac{6}{7}\) The solution to the inequality \( \frac{-7y}{3}-5<-7 \) is \( y > \frac{6}{7} \).

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The Deep Dive

To solve the inequality \( \frac{-7y}{3} - 5 < -7 \), start by isolating the term with \( y \). 1. Add 5 to both sides: \[ \frac{-7y}{3} < -7 + 5 \] \[ \frac{-7y}{3} < -2 \] 2. Multiply both sides by -3/7 (remember to reverse the inequality when multiplying by a negative): \[ y > \frac{-2 \times -3}{7} \] \[ y > \frac{6}{7} \] Thus, the solution to the inequality is \( y > \frac{6}{7} \).

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