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Popular >

The sum of a number times 3 and 21 is at least-15

Solution

The sum of a number times 3 and 21 is at least -15

Solution

x \geq - 12

Solution steps

Represent the number with

x

A.T.Q.:

x \cdot 3 + 21 \geq - 15

Solve for

x, x \cdot 3 + 21 \geq - 15 : x \geq - 12

x \geq - 12

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