Complete the solution of the equation. Find the value of y when x equals -4 x + 3y = 14
1 answer:
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is a valid argument
is not a valid argument
For the first argument:
From the definition of absolute value function
if
That is every positive number is its own absolute value. Since
,
we can argue that
so the first argument is valid
For the second argument:
From the definition of absolute value function
This means that
or
no part of the definition allow for the option . So the second argument is not valid.
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