Respuesta:
la 12
Explicación paso a paso:
espero y te ayude mucho
6
4x - (3x+9) = (x+2) - (2x-1)
4x - 3x - 9 = x + 2 - 2x + 1
x - 9 = -x + 3
x + x = 9 + 3
2x = 12
x = 6
Comprobamos:
4(6) - (3.6 + 9) = (6 + 2) - (2.6 - 1)
24 - (18 + 9) = 8 - (12 - 1)
24 - (27) = 8 - (11)
24 - 27 = 8 - 11
-3 = -3
comprobado: x = 6
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Respuesta:
la 12
Explicación paso a paso:
espero y te ayude mucho
Verified answer
Respuesta:
6
Explicación paso a paso:
4x - (3x+9) = (x+2) - (2x-1)
4x - 3x - 9 = x + 2 - 2x + 1
x - 9 = -x + 3
x + x = 9 + 3
2x = 12
x = 6
Comprobamos:
4(6) - (3.6 + 9) = (6 + 2) - (2.6 - 1)
24 - (18 + 9) = 8 - (12 - 1)
24 - (27) = 8 - (11)
24 - 27 = 8 - 11
-3 = -3
comprobado: x = 6