Question

Which of the following system of equations has a solution of (1,3)?

x = 4y - 11
y = 5x - 14

3x + 5y = 18
y = 2x + 1

x - y = -2
2x + 3y = 11

Answer 1

Answer: 3x + 5y = 18 y = 2x + 1 or the second option !!

How to: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Have a great day !