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Popular >

Twice the difference of a number and 3 is at least 18.

Solution

Twice the difference of a number and 3 is at least 18.

Solution

x \geq 12

Solution steps

Represent the number with

x

A.T.Q.:

2 (x - 3) \geq 18

Solve for

x, 2 (x - 3) \geq 18 : x \geq 12

x \geq 12

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