31-08-2017
Mathematics

contestada

1. 7 = 4s + 19

2. x/4 + 8 = 16

Respuesta :

gswetah gswetah

31-08-2017

1. 7 = 4s + 19
7 - 19 = 4s
-12 = 4s
s = -3

2. x/4 + 8 = 16
x + (8 × 4) = 16 × 4
x + 32 = 64
x = 32

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