Answer:
3
Step-by-step explanation:
9(3n + 8) = 180
3n + 8 = 180/9
3n + 8 = 20
3n = 20 - 8
3n = 12
n = 12/3
n = 4 <==
Answer:
10
Step-by-step explanation:
24-14=10
Do these equations backwards to find the answer you are looking for.
The roots, zeros, or solutions (they all means same thing) of an equation are when you graph that equation, x-intercepts are the real roots, zeros, or solutions.
Or set the y equal to zero which does the same job.
Answer:120
Step-by-step explanation: