PLEASE HELP IM OFFERING 15PTS AND BRAINLIEST ANSWER. PLEASE SHOW YOUR WORK

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