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BigorU [14]
4 years ago
15

What are the solution of the equation 2|×+7|-3=5​

Mathematics
2 answers:
goblinko [34]4 years ago
5 0

Answer:

Solution of the equation 2|x +7|-3=5 is :

<u>x1 = - 11 </u>and<u> x2 = - 3</u>

AURORKA [14]4 years ago
3 0

Answer:

  x = -3 and x = -11

Step-by-step explanation:

Find the "bare" absolute value function, then solve the two resulting equations.

  2|x+7| -3 = 5

  2|x +7| = 8 . . . . . add 3

  |x +7| = 4 . . . . . . divide by 2

This resolves to two equations:

  x +7 = 4

  x = -3 . . . . . subtract 7

and

  x +7 = -4

  x = -11 . . . . . subtract 7

The two solutions are ...

  x = -3 and x = -11

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