Question

Do an activity of addition and subtraction of 2 algebric expressions.
*please answer fast*​

Answer 1

Answer:

To add two or more monomials that are like terms, add the coefficients; keep the variables and exponents on the variables the same. To subtract two or more monomials that are like terms, subtract the coefficients; keep the variables and exponents on the variables the same.

Step-by-step explanation:

The basics of Algebra involve simple mathematical operations: addition, subtraction, multiplication, and division, operating on both constant as well as variables. For example, y + 3 = 0 is an equation where 'y' is the variable and 3 is the constant

Answer 2

2+r = -7
3 - x = 0

This your answer from me