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

12-07-2017

3x + 4 = 19
3(5) + 4 = 19
15 + 4 = 19
19 = 19

so answer x = 5

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