# 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