Respuesta:
a) x = 6
b) x = 9
c) 24 figuras.
Explicación paso a paso:
a) 3 ( x + 1 ) - 2 = 19
3x + 3 - 2 = 19
3x + 1 = 19
3x = 18
x = 6
b) 9x + 4 = 5 ( x + 8 )
9x + 4 = 5x + 40
4x = 36
x = 9
c) Cant. de figuras = x
4 ( x + 3 ) = 108
( x + 3 ) = 27
x = 24
Ramiro tiene 24 figuras.
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Respuesta:
a) x = 6
b) x = 9
c) 24 figuras.
Explicación paso a paso:
a) 3 ( x + 1 ) - 2 = 19
3x + 3 - 2 = 19
3x + 1 = 19
3x = 18
x = 6
b) 9x + 4 = 5 ( x + 8 )
9x + 4 = 5x + 40
4x = 36
x = 9
c) Cant. de figuras = x
4 ( x + 3 ) = 108
( x + 3 ) = 27
x = 24
Ramiro tiene 24 figuras.