4 years ago

Below are the steps to solve an equation:

1 answer:

8 0

The only answer is choice A) x-4 = -7

The rule is that if |x| = k, for some positive number k, then x = k or x = -k

Based on this rule, the absolute value equation
|x-4| = 7
breaks down into these two equations
x-4 = 7 or x-4 = -7

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