Problema Solution
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-x – 8y = 43
4x + 32y = 172
Answer provided by our tutors
-x -8y = 43
4x + 32 y = 172
Solution 1
-4x - 32y = 172
4x + 32 y = 172
infinite number of solutions
Solution 2
-4x + 32y = 172
4x + 32y = 172
64y = 172
y = 43/16
x = 43/2