Explicación paso a paso:
[tex]x + 1 = 2x - 7 \\ x - 2x = - 7 - 1 \\ - x = - 8 \\ x = \frac{ - 8}{ - 1} \\ x = 8[/tex]
Respuesta:
espero te sirva :)
x+1 = 2x-7
1+7 = 2x-x
8 = x
Comprobación:
8+1 = (2*8)-7
9 = 16-7
9=9
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Verified answer
Explicación paso a paso:
[tex]x + 1 = 2x - 7 \\ x - 2x = - 7 - 1 \\ - x = - 8 \\ x = \frac{ - 8}{ - 1} \\ x = 8[/tex]
Respuesta:
espero te sirva :)
Explicación paso a paso:
x+1 = 2x-7
1+7 = 2x-x
8 = x
Comprobación:
8+1 = (2*8)-7
9 = 16-7
9=9