Respuesta:
Explicación paso a paso:
(x + 30) + (x + 25) =7x
2x + 55 = 7x
55 = 7x - 2x
55 = 5x
55/5 = x
11 = x
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Respuesta:
x = 11
Explicación paso a paso:
(x + 30) + (x + 25) =7x
2x + 55 = 7x
55 = 7x - 2x
55 = 5x
55/5 = x
11 = x