Group the like terms from the following algebraic terms:
20y,20a2,15q,−25s,25a,12z,y
20y,y
Like terms are those terms which contain the same variable raised to the same power.
20y,20,15q,−25s,25a,12z,y
In the above terms 20y and y have same variable y and the exponent of the variable y is 1.
∴20y and y are like terms.