Question

Solve the equation |3m + 3 | = 15.
m = 2 or m = −5
m = 4 or m = −6
m = 2 or m = 5
m = 4 or m = 6

Answer 1

when
\(|a| = b\)
then we get
a= b OR a= -b

Answer 2

so what can you say about
|3m+3| =15
?

Answer 3

let me give a similar example :

|4x+9| =10
then we say

4x+9 =10 OR 4x+9 = -10