2458-(×-542)=2450;(×-196)+327=689;314+y=40050-20100

Question

2458-(×-542)=2450;(×-196)+327=689;314+y=40050-20100

Answer 1

2458-(х-542)=2450
2450-×+542=2450
-×=2450-2458-542
-×=550

(×-196)+327=689
×-196+327=689
х=689+196-327
х=558

314+у=40050-20100
у=40050-20100-314
у=19636