diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..bfec70037bf 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,26 @@
-## Put comments here that give an overall description of what your
-## functions do
-
-## Write a short comment describing this function
-
-makeCacheMatrix <- function(x = matrix()) {
-
+makeCacheMatrix <- function(x = matrix()){
+      inversa <- NULL
+      set <- function(y){
+            x <<- y
+            inv <<- NULL
+      }
+      get <- function() {x}
+      setInverse <- function(inverse) {inversa <<- inverse}
+      getInverse <- function() {inversa}
+      list(set = set, 
+           get = get,
+           setInverse = setInverse,
+           getInverse = getInverse)
 }
 
-
-## Write a short comment describing this function
-
-cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
-}
+cacheSolve <- function(x, ...){
+      inversa <- x$getInverse()
+      if(!is.null(inversa)){
+            message("getting cached data")
+            return(inversa)
+      }
+      matris <- x$get()
+      inversa <- solve(matris, ...)
+      x$setInverse(inversa)
+      inv
+}
\ No newline at end of file