Respuesta:
7 x + 15 = 2x -15
7x - 2x= - 15-15
5x= - 30
X= - 30/5
X= - 6.
Comprobamos.
7(-6)+15= 2(-6) - 15
-42+15= - 12-15
-27= - 27
Saludos❤️
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Verified answer
Respuesta:
7 x + 15 = 2x -15
7x - 2x= - 15-15
5x= - 30
X= - 30/5
X= - 6.
Comprobamos.
7 x + 15 = 2x -15
7(-6)+15= 2(-6) - 15
-42+15= - 12-15
-27= - 27
Saludos❤️