Question

what is 7x + 12x + 2x​

Answer 1

Answer:

= 7x + 12x + 2x

= 9x + 12x

= 21x

Answer 2

• We have to evaluate the above expression by using the given data.

            Given data:- $7x+12x+2x.$

            To find:-Value of the given expression.

            Solution:-  

• Adding two or more numbers together is known as an addition.

• Addition as denoted by(+).

• Properties of addition are as follows,

1. Identity property of zero.
2. Inverse property.
3. Commutative property.
4. Associative property.

         Therefore,

        $7x+12x+2x\\=19x+2x\\=21x$

      Hence we will get the value $7x+12x+2x=21x.$