Question

Use the substitution method to solve the system of equation.choose the correct ordered pair. y=3x+2 y=x+12
0,2
3,2
0,12
5,17

Answer 1

$y = 3x + 2 \\ y = x + 12 \\ 3x + 2 = x + 12 \\ 3x - x = 12 - 2 \\ 2x = 10 \\ x = 5$
I hope this would help