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Please help with this math problem
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2 votes
Please help with this math problem

Please help with this math problem-example-1
User Gramm
by
6.0k points

2 Answers

1 vote

B. X=-15

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

User Dmitro
by
5.8k points
3 votes

Answer:

-15

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
User Bhanuchandar Challa
by
6.3k points
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