Q. Select the expressions that are equivalent to 2q+q.Multi-select Choices:(A) 2q(B) 4q−q(C) q+q+q(D) 3q
Simplify expression: Step 1: Simplify the expression 2q+q.Calculation: 2q+q=3q.
Compare with choices: Step 2: Compare the simplified expression with the choices. Calculation: 3q matches with (D) 3q.
Check other options: Step 3: Check other options for equivalence.Calculation: (A) 2q is not equal to 3q; (B) 4q−q simplifies to 3q, which matches; (C) q+q+q simplifies to 3q, which also matches.