Question

Find the solution to the following system by substitution.

3x + y = 30
y = 3x

A. (5,15)
B. (0,30)
C. (10,30)
D. (10,0)

Answer 1

(5,15)

Explanation:

that's the answer, I hope it helps!

Answer 2

(5,15)

Explanation:

A.