Answer:
x = 2, y = 4
Explanation:
- 7x +y = -10
-9x -y = -22
add up both equations
(-7x+-9x) + (y +-y) = (-10 +-22)
(-7x-9x) + (y -y) = (-10 -22)
-16x +0 = -32
-16x = -32
x = -32/ -16
x =2
substitute the value of x into the first equation
- 7x +y = -10
-7(2) + y = -10
-14 +y = -10
collect like terms
y = -10 +14
y = 14-10 = 4
x = 2, y = 4