x = y + 4 is already done so we will substitute that into the other equation!
3(y + 4) + y = 16
Distribute.
3y + 12 + y = 16
Add the terms.
4y + 12 = 16
Give y its own side.
4y = 4
Divide by 4.
y = 1
Substitute this back into one of the equations.
x = 1 + 4
x = 5
The point for these 2 equations is (5, 1)
⭐ Answered by Hyperrspace (Ace) ⭐
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