Answer:
Side AB - 21
Side BC - 32
Side AC - 41
Explanation: add each side with the sum of 94
3a+2+2a+1+5a-9=94 (add like terms)
10a+2+1-9=94
10a -6=94
Add 6 to each side of equation to isolate the variable(a)
10a=100
Divide each side by 10 to isolate variable
a=10
Enter into equation
3(10)+2= 32
2(10)+1=21
5(10)-9=41
32+21+41=94
