Question

X + 5 = 17
X =
15-a =4
A =
4x = 28
X =

Answer 1

Respuesta:

1) x = 12

2) a = 11

3) c = 7

Explicación paso a paso:

=> x + 5 = 17

x = 17 - 5

x = 12

=> 15 - a = 4

15 - 4 = a

11 = a

=> 4x = 28

x = 28/4

x = 7