Respuesta:
X igual a 10
Explicación paso a paso:
5x + 2x -5 =65
65 +5 =70
70 ÷ 7 =10
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5x + 2x - 5 = 65
3x = 65 + 5
3x = 70
x = 70 ÷ 3
x = 23.333
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Respuesta:
X igual a 10
Explicación paso a paso:
5x + 2x -5 =65
65 +5 =70
70 ÷ 7 =10