x = − 3 , y = 4 . Explanation: From the second equation, you know that x = 5 − 2 y . Substitute this expression for x in the first equation to get 2 ( 5 − 2 y ) + 3 y = 6 10 − 4 y + 3 y = 6 − y = − 4 y = 4 Now that we have found y , we can find x using x = 5 − 2 y → x = 5 − 2 ⋅ 4 = − 3
