State whether the following pairs are like terms:
9 y and 10 y
9 n^{2} and 2 n
2 x y and 4 y x
10 x^{2} y and 9 y^{2} x
6 x^{3} y and 10 y x^{3}
13 u v and 17 v u
10 z and 10 b
8 y and 5 y
Simplify the following by collecting like terms:
Consider the expression: 4 y - 3 y.
Simplify the expression.
Explain why the answer to part (a) was not 1 y.
For each of the following expressions:
State the pairs of like terms.
Hence, simplify the expression.
Simplify:
Simplify:
Complete the following statements: