Answer:
z = 25
Step-by-step explanation:
7x + 2y = z
x = 3
y = 2
z = ?
First, let's put in the values we do know.
7(3) + 2(2) = z
Let's solve this.
7 * 3 = 21
2 * 2 = 4
21 + 4 = z
Now, we must add the two together to find z.
21 + 4 = 25
25 = z
z = 25
