melissadomingooszuy6 melissadomingooszuy6
  • 12-07-2017
  • Mathematics
contestada

What is the solution set for the open sentence with the given replacement set? 3x + 4 = 19, {4, 5, 6, 7}

Respuesta :

tweetyng01
tweetyng01 tweetyng01
  • 12-07-2017
3x + 4 = 19
3(5) + 4 = 19
15 + 4 = 19
19 = 19

so answer x = 5
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