Respuesta:
x =5
Explicación paso a paso:
4 + x + 4 + x + x + x =28
8 + 4x = 28
4x = 28 - 8
4x = 20
x = 20 / 4 = 5
longitud : (4 + x ) = 2 + 5 = 7
altura : x =5
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Respuesta:
x =5
Explicación paso a paso:
4 + x + 4 + x + x + x =28
8 + 4x = 28
4x = 28 - 8
4x = 20
x = 20 / 4 = 5
longitud : (4 + x ) = 2 + 5 = 7
altura : x =5