Solve and explain your math thinking 12-7

Hello! Let's pretend that there are 12 cupcakes in a package.

One person walks over to the cupcake package, opens it, and takes one out.

There are 11 left.

Two people come over to the cupcake and take one each.

There are 9 left.

Four people decide to each have a cupcake. They take one each.

There are 5 left.

In total, seven people took a cupcake each and there are now five left. I hope this helps!

Pretend that there r 12 brownies and your friends eat 7 what do you have 5 left

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,