I think the answer is the solution to the system of equations is, (2,4) This solution represents where both exports and imports are equal.

I think the answer is the solution to the system of equations is, (2,4) This solution represents wh

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arivalen

17.11.2020

Mathematics

The definition of an absolute value:

$|a|=\left\{\begin{array}{ccc}a&for&a\geq0\\-a&for&a$

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$|a|=-a\to\boxed{a$

$\text{If you mean absolute value}\\\\|x+18|=\left\{\begin{array}{ccc}x+18&for&x\geq-18\\-x-18&for&x-18\\--------------\\|x-(-18)|=-x-18\ for\ x$

$\text{If you mean absolute value in third and fourth examples, then}\\\\|a+5|=\left\{\begin{array}{ccc}a+5&for&a\geq-5\\-a-5&for&a$

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