Lenny134847 Lenny134847 17-11-2022 Mathematics contestada 4.6(3x + 1) and 9x + 6 + 9x In 5-7, use properties of operations to complete the equivalent expressions. 5.2(x + 4) and X + 6.5x - 45 and 5( 7.3(x + 7) and x +