2x+12=3x-5
[tex]2x-3x=-5-12\\-x=-17\\x=17[/tex]
2(17)+12=3(17)-5
34+12=51-5
46=46
17-7=10
Respuesta:
D)10
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2x+12=3x-5
[tex]2x-3x=-5-12\\-x=-17\\x=17[/tex]
2(17)+12=3(17)-5
34+12=51-5
46=46
17-7=10
Respuesta:
D)10