3. 8b -15=5b
4. 4x+1=-11
5. a-5=3a-25
6. 9x-11=-10+12x
7. 21-6y=27-8y
8. 11b+5b-1=65b-36
9. 8m-4+3m=7m+m+14
10. 8x+9-12x=4x-13-5x
11. 5m+6m-81=7m+102+65m
12. 16+7t-5+t=11t-3-t
Ayuda por favor
Respuestas
Respuesta:
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