abidelacruz7 abidelacruz7

11-09-2018
Mathematics

contestada

is it 1 solution, no solution or infinite solution?
-28 = -7(3x + 4) + 21

Respuesta :

kylew180 kylew180

16-09-2018

x = 1 because -7(3x + 4) must be -49 so 3x + 4 must me 7 so x = 1

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