Respuesta:
10
USAMOS=
Y = X
Explicación paso a paso:
2x + 4x = 20 = 12 x - 4x = 20
6x = 20 = 8x = 20
8x - 6x = 20
2x = 20
x = 20/ 2
x= 10
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Verified answer
Respuesta:
10
USAMOS=
Y = X
Explicación paso a paso:
2x + 4x = 20 = 12 x - 4x = 20
6x = 20 = 8x = 20
8x - 6x = 20
2x = 20
x = 20/ 2
x= 10