Problema Solution
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-3x + y = 4
x + 3y = 22
(Points : 8)
Answer provided by our tutors
-3x+y=4 multiply by 3
x+3y = 22
-9x +3y =12
x+3y =22
-10x=10
x=-1
y = 4-1 =1