Question

Solve the system of equations by the addition method 4x + 2y = 463x - 5y = - 11

Answer 1

So, x = 8

substitute at the first equation

4 * 8 + 2y = 46

2y = 46 - 4 * 8 = 14

y = 14/2 = 7

So,

X = 8 and Y = 7