5*а+500=4500:5 а+156=17*20 (1604-у)-108=800 252:36*х=560 103300:(х+297)=25*2 За раннее...

Question

5*а+500=4500:5
а+156=17*20
(1604-у)-108=800
252:36*х=560
103300:(х+297)=25*2
За раннее спасибо!)

Answer 1

5а+500=900
5а=900-500
5а=400
а=400/5
а=80

а+156=340
а=340-156
а=184

164-у-108=800
-у=800+108-164
-у=744
у=-744

7х=560
х=560/7
х=80