Answer:
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Step-by-step explanation:
(2x - 8) - (4x + 8)
first look at the x
2x - 4x = -2x
-2x is left over
then look at the numbers
8 - (-8)
in the case of having two negatives, it becomes positive, and so it is really 8 + 8
8 + 8 = 16
-2x - 16 is your answer
hope this helps
7.5 feet
1 in : 5 ft
0.5in : 2.5ft
5+2.5 equals 7.5