Respuesta :

Answer:

48

Step-by-step explanation:

To find the perimeter double each side and add them together

2(3x+7) + 2(2x-3)

2(3(4) + 7) + 2( 2(4) - 3)    substitute 4 for x

2(12 + 7) + 2(8 - 3)             simply parenthesis (multiply)

2(19) + 2(5)                    simply parenthesis (add/subtract)

38 + 10                         distributive property

48                                 add