# Thread: Linear Equations in two variables

1. ## Linear Equations in two variables

x + y(square) = 11
x(square) + y = 7

find x and y

2. Originally Posted by Prince
x + y(square) = 11
x(square) + y = 7

find x and y
Substitute $y = 7 - x^2$ into $x + y^2 = 11$ and solve the resulting equation. Note that one of the solutions is x = 2. Now you have a cubic to deal with ....