Simplify 3j - {2k - [5h - (3j + k)]}.
-3h - 5k
3h - 5k
5h - 3k
-5h - 3k

The given expression is

Step-by-step explanation:

Given expression,

We are required to simplify the above expression.

Consider the given expression,

Removing brackets one by one,

Firts we remove round brackets, we get,

Again removing square brackets, we get,

Now removing curly brackets, we get,

Now solving , we get,

Thus, the given expression is

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.