Raymond B. answered 02/23/21
Tutor
5
(2)
Math, microeconomics or criminal justice
multiply 1st equation by 2 and subtract the 2nd equation
8x + 2y = 16
x + 2y =5
7x = 11
x = 11/7
y =8-4x = 8-44/7 = 12/7
(x,y) = (11/7,12/7)