Question

The point (x,y) is the solution to the system of equations
2x + 3y = -5
-x + 4y = 8

Answer 1

multiply the second equation by 2
so you get \[-2x + 8y=16\]
add
and you get 11y=11
y=1
so x=-4
so the point is (-4, 1)

Answer 2

thx. can u help me with another problem
Solve.
(2 squareroot 2 - squareroot 3) ^2???
PLeaazzz help!