Not how to show all work, as ive never worked with functions with absolute values.
The answer however should be -8.

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First of all, We need to multiply by the denominator (10) on both sides:-

On the left-hand side, the 10s cancel as follows:-

On the right-hand side, we multiply -7 times 10:-

Subtract 8 on both sides:-

We get

And finally, Divide by -1 on both sides:-

<h3>Good luck with your studies.</h3>

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Answer: a = 162
Step-by-step explanation: