Match the expression with an equivalent expression.1. 3 + 3 + y 2. (y x y) X 3 3. 3 x 1 x y A. y x 3 B. y + 3 + 3 C. y(3 x y)Simplify the expression. 4. 7 + (12 + x) = x + ( 12 + 7) x + 195. 10 + (a + 9)6. (6.1 + x) + 8.47. 6 + ( 5 + x)8. (14 + y) + 3