Question

Which is the solution set of a for -3(-x + a) + 7 < 5 when x = -1?

A) a > - 1/3
B) a < - 1/3
C) a > 5/3
D) a < 5/3

Answer 1

C

Explanation:

-3 (-1+a)+7 <5

3-3a+7 <5

-3a+10 <5 (collect like terms )

-3a <-10+5

-3a <-5(divide both side by -3)

-3a/-3 <-5/-3

a>5/3