Question

Rezolvati in multimea numerelor fractionare:
a)x+3=25 supra 8; b)x-3 supra 4=4 supra 5; c)7 supra 9 + x=88 supra 9; d)x+7 supra 11 =1

Answer 1

8x+24=25 8x=1 x=1/8. x-3/4=4/5. 20x-15=16. ,20x=1. x=1/20. 7/9+x=88/9. x=88/9-7/9 x=82/9. x +7/11=1. x=11/11-7/11. x=4/11