HELPPPPP !!!!!!!! PLSSSS AWNSERRR!! i'm not looking for "X"! Unit 7: Polygons & Quadrilaterals Homework 3: Rectangles i'm looking for the answers of 11, 12, 13, 14.

Answer:
11) 5x + 8 = 7x - 16
24 = 2x
x = 12
7(12) - 16 = 68
90 - 68
m<GJK = 22
12) 4x + 15 + 13x + 7 = 90
17x + 22 = 90
17x = 68
x = 4
4(4) + 15 = 31
90 + 31 + ADE = 180
m<ADE = 59
13) 5x - 12 + 2x - 3 = 90
7x - 15 = 90
7x = 105
x = 15
5(15) - 12 = 63
VWZ + 63 = 90
m<VWZ = 27
14) 9x + 3 = 14x - 27
30 = 5x
x = 6
9(6) + 3 = 57
14(6) - 27 =57
90 - 57 = 33
33 + 33 + DHG = 180
m<DHG = 114