You can
put this solution on YOUR website!Val's mom = x+28
Val = x
In 15 years Val's age = x+15
In 15 years Val mom's age = x+43
Equation:
3(x+15)+x+43=168
3x+45+x+43=168
4x+88=168
4x=80
x=20
20+28=48
Hence, Val is 20 years old ans Val's mom is 48 years old.
Paul.