Answer:
Step-by-step explanation:
Step 3 is incorrect
4(-1/2x + 7) + 5x = 15
-2x + 28 + 5x = 15
3x + 28 = 15
3x + 28 - 28 = 15 - 28
3x = -13
Width is 3x+7 units
In the attached file
true
k = 4/24 = 1/6
