Respuesta:
4(2x + 1) + 5 = 3(x + 7) - x
8x+4+5=3x+21-x
8x-3x+x=+21-4-5
6x=12
x=12/6
x=2
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Respuesta:
4(2x + 1) + 5 = 3(x + 7) - x
8x+4+5=3x+21-x
8x-3x+x=+21-4-5
6x=12
x=12/6
x=2