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 and

4x+32y =172

 

 dividing by 4

x+ 8y=43

 

adding both equations

16y= 86

y= 86/16 =5.37

and x=43-8*5.3

x= 0