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Popolare Word Problems >

Two times the sum of a number and 23 is at least 20 .

Soluzione

Tw o t im es t h e s u m o f a n u mb er an d 23 i s a t l e a s t 20 .

Soluzione

x \geq - 13

Fasi della soluzione

Represent the number with

x

A.T.Q.:

2 (x + 23) \geq 20

Risolvi per

x, 2 (x + 23) \geq 20 : x \geq - 13

x \geq - 13

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