Question

resolva as inequações, U = Q

a) 5x + 3 > 2(× - 14)

b) 2(×-5) < 3 ( × - 4)
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Answer 1

Resposta:

a) 5x + 3> 2( x - 14)=

5x +3 > 2x - 28=

5x -2x > -28 -3

3x > -31

x > -31/3

b) 2( x - 5) < 3 ( x - 4)

2x - 10 < 3x - 12

2x - 3x < -12 -10

- x < -22 ( -1)

X= 22