Question

Simplify the expression 7t +3-2t

Answer 1

hi

rule says that you can only add or substract item of same kind.

here we have two items : " t" which we have 7 and -2

and we have " +3" which is a number .

So

A = 7t+3-2t

A = 7t-2t +3

A = 5t +3

As we cannot do anything else, calculus is over.