- 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.
Devon is 13 years old. this is 4 years younger than his older brother, Todd. Write and solve a subtraction equation to find Todd
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