vlonsy921
vlonsy921 vlonsy921
  • 06-10-2017
  • Mathematics
contestada

Which equation has solution x = -3?

A)
2x - 7 = -1


B)
3x + 8 = 1


C)
1
2
x + 8 = 10


D)
1
2
(2x - 6) = -6

Respuesta :

altavistard
altavistard altavistard
  • 16-10-2017
Substitute x=-3 into each of the given equations, until you find the equation that is true after this substitution.

Case 1:  2x - 7 = -1; letting x = -3, we get 2(-3) - 7 = -1.  Is this true?  NO.

Case 2:  Move on to the next equation and subst. x = -3 in the same manner.  Is the equation true?

and so on.
Answer Link
rhiaplaysminecraft09
rhiaplaysminecraft09 rhiaplaysminecraft09
  • 16-10-2019

Answer:

Answer d

Step-by-step explanation:

Solve each of the equations to see which one equals three or plug negative three into each and determine which equation has the solution of negative three.

Answer Link

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