SOLUTION: Solve the system by the addition method X ÷ 4 + y ÷ 4 = 1 X ÷ 5 - y ÷ 5 = 12 ÷ 5

Algebra ->  College  -> Linear Algebra -> SOLUTION: Solve the system by the addition method X ÷ 4 + y ÷ 4 = 1 X ÷ 5 - y ÷ 5 = 12 ÷ 5      Log On


   

Question 1100330: Solve the system by the addition method
X ÷ 4 + y ÷ 4 = 1
X ÷ 5 - y ÷ 5 = 12 ÷ 5
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
X ÷ 4 + y ÷ 4 = 1
X ÷ 5 - y ÷ 5 = 12 ÷ 5
x/4+y/4=1
x+y=4
x/5-y/5=12/5
x-y=12
x+y=4
add
2x=16
x=8
8-y=12
-y=4
y=-4