Question 174426
c=x+8
b=x
a=x+7
find x
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x = c-8
x = a-7
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c-8 = a-7
c = a + 1
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Solutions: All ordered pairs (a,c) where c=a+1
Therefore : x = c-8 = (a+1)-8 = a-7
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Final solution: x = a-7
and b = a-7 since x = b.
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Cheers,
Stan H.