27-01-2016
Mathematics

contestada

Which inequality is equivalent to 5(2x-3)-6x ≤ 30?
A). 16x-15<_30
B). 4x-15<_30
C). 4x-3<_30
D). 10x-21<_30

Respuesta :

Willchemistry Willchemistry

27-01-2016

Expand 5 ( 2 x - 3 ) - 6 x :

5 ( 2x - 3 ) - 6 x

Expand 5 ( 2 x - 3 ) :

= 10 x - 15 - 6 x

= 10 x - 6 x - 15

= 4 x - 15

Answer B : 4 x - 15 ≤ 30

hope this helps!.

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