Aporte
4 (3 x + 1) - x = 3 x + 20
Forma alternativa
8 x - 16 = 0
Formas expandidas
11 x + 4 = 3 x + 20
x = 2
Solución
Explicación paso a paso:
4(3×+1) - x = 3x + 20
12x + 4 - x = 3x + 20
12x - x + 4 = 3x + 20
11x + 4 = 3x + 20
11x - 3x = 20 - 4
8x = 16
x = 2.
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Respuesta:
Aporte
4 (3 x + 1) - x = 3 x + 20
Forma alternativa
8 x - 16 = 0
Formas expandidas
11 x + 4 = 3 x + 20
x = 2
Solución
x = 2
Explicación paso a paso:
4(3×+1) - x = 3x + 20
12x + 4 - x = 3x + 20
12x - x + 4 = 3x + 20
11x + 4 = 3x + 20
11x - 3x = 20 - 4
8x = 16
x = 2.