Answer:
The answer is 7x
Step-by-step explanation:
The x is the coefficent and every x has a coefficent even if it doesn't have number because the coefficent represent how many x's there are so it is one x plus 6 x and that equal seven x. The x can be anything but one of something plus 6 equals 7.
-10=-19 is the answer goodluck
1. D
2. C
3. C, A F
10.8 inches
72/20=3.6
3.6*3=10.8
