How do you solve the following system?: #x + 3y = -3 , y=-x + 12 #
1 Answer
Mar 22, 2018
Explanation:
we can substitute the value of y of the second equation in the first equation so we get,
On simplification
We get that
Substituting it in either of the initial equations and solving for y, we get
So the solution to the given pair of equations is