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11-05-2017
Mathematics

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graph represents the solution set for 5x + 38 ≤ 4(2 – 5x)?

Respuesta :

Aishani Aishani

11-05-2017

5x + 38 =< 4 (2 - 5x)
5x + 38 =< 8 - 20x
5x + 20x =< 8 - 38
25x =< -30
x =< -30÷25
x =< -6/5
Note that the inequality sign changes only when a number is divided by a negative one. Example: -3x =< 6
Then: x >= -2
Hope i helped!

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