A) The given equation has no solution. The absolute value cannot be negative, but must be -9 in order for the equation to be satisfied.
b) |x -7| = 2 . . . . . . . the equation
Solution 1:
-2 = x -7
5 = x . . . . . . add 7
Solution 2
x -7 = 2
x = 9 . . . . . . add 7
The two numbers are {5, 9}
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Answer:
.. gas price was 2 cents below the previous year's.
Step-by-step explanation:
N=12
1/4n = 10-7
1/4n = 3
N = 3x4 = 12