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dybincka [34]
3 years ago
10

Solve for x. 4 | x - 7 | + 2 | x - 7 | = 12

Mathematics
1 answer:
miv72 [106K]3 years ago
7 0

Answer: x = 9, 5

<u>Step-by-step explanation:</u>

4 | x - 7 | + 2 | x - 7 | = 12

6 | x - 7 | = 12      <em>added like terms</em>

  | x - 7 | = 2       <em>divided both sides by 6</em>

x - 7 = 2         or         x - 7 = -2     <em>removed absolute value sign</em>

    x = 9         or               x = 5     <em>added 7 to both sides of both equations</em>

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