How do you solve the following system of equations?: #x + y = 4, 2x + y = 8 #?
1 Answer
Dec 23, 2015
x=4
y=0
Explanation:
x+y=4
2x+y=8
By subtraction , we have
-x=-4
X=4
By substituting x=4 to any of the equation
4+y=4
y=0
