Select the expression that has the same value as 7 x 4.

Which value would be a solution for x in the inequality 47-4x< 7

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Explain how the quotient of powers was used to simplify this expression.