How do you solve the following linear system: # x + 2y = 13, 3x – y = 4 #?
1 Answer
Feb 21, 2016
Explanation:
we can use,

Solving,
as equation(1)
as equation(2)
first we must get the value of
as equation(3)
substitute equation(3) to equation(2) to eliminate
substitute
Substituting