Question

Can someone solve this:
a = 21+(-4)

Answer 1

a=17

Explanation:

When an equation says +(-) like this one, all you have to do is subtract :)

Knowing that if you rewrite this you get a= 21-4, which is 17!

I hope this helps, and have a great day! <3 :D

Answer 2

17

Explanation: