Answer:
The second one
Step-by-step explanation:
Your one is the correct
Answer:
x=4 and y=4
Step-by-step explanation:
From first function we have:

And from the second one:

Substitute them:

Answer:
Um.. Im not sure about this one.. you're in college?
Step-by-step explanation:
Answer: 7
Step-by-step explanation:
Step 1: Subtract 3 from both sides.
6a+3−3=45−3
6a=42
Step 2: Divide both sides by 6.
6a
/6
=
42
/6