SOLUTION: Variables a, b, c and d represent integers. Which one of these equations is false? A.a = 9c B.b = c + 7 C.a = b + 1 D.c = b – 4

Algebra ->  Average -> SOLUTION: Variables a, b, c and d represent integers. Which one of these equations is false? A.a = 9c B.b = c + 7 C.a = b + 1 D.c = b – 4       Log On


   

Question 1027290: Variables a, b, c and d represent integers. Which one of these equations is false?
A.a = 9c
B.b = c + 7
C.a = b + 1
D.c = b – 4
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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They are all true.
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A) TRUE: 9 is an integer, and the set of integers is closed under multiplication.
B) TRUE: 7 is an integer, and the set of integers is closed under addition.
C) TRUE: 1 is an integer, see above.
D) TRUE: -4 is an integer, see above.