Question

Solve |2 - 3x| = 7.
A. {-5/3, 3}
B. {-15, 3}
C. {-3, 5/3}
D. {-3, 15}

Answer 1

A

Answer 2

When you have an absolute sign, you need to take into account the negative and positive possibilities.

|2 - 3x| = 7

2 - 3x = 7 -(2 - 3x)= 7
x = -5/3 x = 3

Answer 3

A