Hola!!!
Repuesta:
D) x =5
[tex]9x+12-12=12x-3-12\\\\9x=12x-15\\\\9x-12x=12x-15-12x\\\\-3x=-15\\\\\frac{-3x}{-3} =\frac{-15}{-3} \\\\x=5[/tex]
Espero te sirva
No olvides Coronita :)
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Hola!!!
Repuesta:
D) x =5
[tex]9x+12-12=12x-3-12\\\\9x=12x-15\\\\9x-12x=12x-15-12x\\\\-3x=-15\\\\\frac{-3x}{-3} =\frac{-15}{-3} \\\\x=5[/tex]
Espero te sirva
No olvides Coronita :)