How do you solve the following linear system: x+y=3,3x+y=4?
1 Answer
Mar 25, 2018
x=12
y=52
Explanation:
Given -
x+y=3
3x+y=4
x+y=3 -------------(1)
3x+y=4 -------------(2) -----(1)− (2)
−2x=−1
x=−1−2=12
Substitute
12+y=3
y=3−12=6−12=52