Question

Решите уравнение:(12,5-х):5=(3,6+х):6

Answer 1

(12,5-х)/5=(3,6+х)/6 = 6(12,5-х)=5(3,6+х) = 75-6х=18+5х = 75-6х-18-5х=0, 57-11х=0, х=57/11

Answer 2

(12,5-х)/5=

=(3,6+х)/6 =

= 6(12,5-х)=

=5(3,6+х) =

= 75-6х=18+5х =

= 75-6х-18-5х=0,

57-11х=0,

х=57/11