Respuesta:
21
Explicación paso a paso:
3x + 23 = 86
3x = 86 - 23
3x = 63
x = 63 ÷ 3
x = 21
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Respuesta:
21
Explicación paso a paso:
3x + 23 = 86
3x = 86 - 23
3x = 63
x = 63 ÷ 3
x = 21