Question

Help me plssssssssssss

Answer 1

(1,3)

Explanation:

Substitute in 3x for y in the equation x + y = 4

x + 3x = 4

4x = 4 Divide both sides by 4

x = 1

Substitute 1 for x in either of the 2 original equations

x + y = 4

1 + y = 4 Subtract 1 from both sides

y = 3

(1,3)