Question

Given that ax+3x=15

1. Find the value of A when x= 3

2. Express X in terms of A

Answers

Isha
1)
a(3) + 3(3) = 15
3a +9=15
3a=6
a=2
2)
ax +3x=15
x(a+3)=15
x=15/(a+3)
Reiny
both are correct
Isha
thanks