Solve the system using substitution........... y=-3x+12 5y-x+4=0

Answer 1

y = -3x + 12

Substitute the expression on the right for y into

5y - x + 4 = 0

5(-3x + 12) - x + 4 = 0

Now solve this for x, then plug the result into either of the given equations and solve for y.