passpadi

2018

Mathematics

67ca00ce0c643c71d77dee1f

Find the values of x for which (x+2)/4 - (2x−3)/3 < 4

A.

x < 8

B.

x > -6

C.

x < 4

D.

x > -3

Correct Answer: x > -6

Explanation

(x+2)/4 - (2x−3)/3 < 4 (3(x+2)−4(2x−3))/12 < 4 3x + 6 − 8x + 12 < 48 18 − 5x < 48 ⟹ −5x < 30 ∴ x > − 6

(x+2)/4 - (2x−3)/3 < 4 (3(x+2)−4(2x−3))/12 < 4 3x + 6 − 8x + 12 < 48 18 − 5x < 48 ⟹ −5x < 30 ∴ x > − 6
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