Respuesta :

28x + 24 = 13
28x = 13-24
28x = - 11
x =-11/28
4(7x+6) = 13
7x+6 = 13/4 = 3.25
7x = 3.25 - 6 = - 2.75
x= - 2.75/7 = -0.4 (rounded to nearest tenth)
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