Question

What is the solution of the system?

Answer 1

graphycalyy or algebrically

Answer 2

i think the answer is either (5, -5) (5,5) (5,-5) or (-5,5)

Answer 3

plz tell want to know how to do or just ans

Answer 4

solve by substituting y in equation and then solve

Answer 5

(-5 , 5) is the ans

Answer 6

x-y=-40/4
x-y=-10
x=y-10
substitute x=y-10 in -4x+7y=55
-4(y-10)+7y=55

now solve and get value of y

Answer 7

and the put value of y in any eq get x