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Which statement is true for ALL numbers p and q?

Class 6Rules and Formulas with VariablesAlgebra

A $p + q = p \times q$
B $p + q = q + p$
C $p - q = q - p$
D $p \div q = q \div p$

Step-by-Step Solution

Addition can be done in any order. Subtraction and division cannot: 9 − 4 ≠ 4 − 9, 8 ÷ 2 ≠ 2 ÷ 8. And 2 + 3 ≠

2 \times 3

.

Answer: B)

p + q = q + p

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