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igor_vitrenko [27]
2 years ago
10

Please help with this math problem

Mathematics
2 answers:
stepladder [879]2 years ago
6 0

Answer:

-15

Step-by-step explanation:

Given:

  • x=-7
  • -14+7=x+8

Simply plug in and see if the statement is true. If not, isolate x.

Test for truth:

  • -14+7=-7+8
  • -7=1
  • NOT true.

Isolate x in original equation:

  • -14+7=x+8
  • -14+7-8=x
  • -7-8=x
  • -15=x
pantera1 [17]2 years ago
4 0

B. X=-15

Step-by-step explanation:-14+7=-7 and -15+8=-7

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