Respuesta:
36
Explicación paso a paso:
a + r = 90
m + b = 90
2x = a + b +
3x = m + r
5x = a+r + m+b
5x = 90 + 90
5x = 180
x = 36
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Respuesta:
36
Explicación paso a paso:
a + r = 90
m + b = 90
2x = a + b +
3x = m + r
5x = a+r + m+b
5x = 90 + 90
5x = 180
x = 36