Solve for y
y\leq -30
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-4y\geq 20\times 6
Multiply both sides by 6. Since 6 is positive, the inequality direction remains the same.
-4y\geq 120
Multiply 20 and 6 to get 120.
y\leq \frac{120}{-4}
Divide both sides by -4. Since -4 is negative, the inequality direction is changed.
y\leq -30
Divide 120 by -4 to get -30.
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