A farm allows customers to cut their own Christmas trees. The farm uses the equation y = 15x + 10 to determine the total charge,
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- What is the solution to the inequality -3x-42>3 ?
Add 42 to both sides.
Add 3 and 42 to get 45.
Divide both sides by -3. As -3 is <0, the inequality direction has changed.
Divide 45 by -3 to get -15.