Question

(43-s)*19=289 помогите решить

Answer 1

817-19s=289
19s=817-289
19s=528
s=528:19
s=27 15/19

Answer 2

$(43-s)*19=289 \ 817-19s=289 \ 817-289=19s \ 19s=528 \ s= frac{528}{19} \ s = 27 frac{15}{19}$