Respuesta:
200 = 20 + 9x
200 - 20 = 9x
180 ÷ 9 = x
20 = x
x=20
Explicación paso a paso:
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Verified answer
Respuesta:
200 = 20 + 9x
200 - 20 = 9x
180 ÷ 9 = x
20 = x
Respuesta:
x=20
Explicación paso a paso: