Malik asked his teacher if there was a way to check his answer after writing equivalent expressions. What should be his teacher’s response? Choose a number to substitute for the variable. Find the value of each expression. If the values are even, the expressions are equivalent. Substitute a number for the variable. If the simplified expressions have the same value, the expressions are equivalent. Multiply each expression by the same number. If the expressions are equal, the expressions are equivalent. Add a number to each expression. If the simplified expressions are equal, the expressions are equivalent.