Respuesta:
el valor de x es 10
Explicación:
8+(12+2x) =40
8 + 12 + 2x = 40
12 + 2x = 40 - 8
12 + 2x = 32
2x = 32 - 12
2x = 20
x = 20 ÷ 2
x = 10
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Respuesta:
el valor de x es 10
Explicación:
8+(12+2x) =40
8 + 12 + 2x = 40
12 + 2x = 40 - 8
12 + 2x = 32
2x = 32 - 12
2x = 20
x = 20 ÷ 2
x = 10