Question

Manuel and Kristina are reviewing like terms in the problem 3x + 3 - 4x. Manuel said that 3x and 3 are like terms because they both have threes. Kristina said 3x and -4x are like terms because they both have the same variable. Who is correct? Explain.

Answer 1

Kristina

Explanation:

Kristina is correct because 3x and -4x both have the variable 'x' in common making them like terms.