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Solve the Absolute Value Equation 7| -7x - 3 | = 21 Please show how to do the problem.

Solve the Absolute Value Equation 7| -7x - 3 | = 21 Please show how to do the problem.
asked 187k views
3 votes
Solve the Absolute Value Equation

7| -7x - 3 | = 21

Please show how to do the problem.

asked
User TheDarkMist
by
8.3k points

1 Answer

2 votes
Start by dividing by 7. (You want to isolate the absolute value)
Now it's |-7x-3| = 3
Now we have 2 possibilities:
-7x-3 = 3
or
-7x-3 = -3
evaluate, and you have 2 possibilities: x = 0, or x = -6/7
answered
User JdeMello
by
8.2k points
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