Question

При каком значении х верно равенство х-2/36=5/12 , 5+×/23=36/92,4/19-3×=36/63

Answer 1

х-2/36=5/12
х-2=36*5:12
х-2=15
х=15+2
х=17 ,

5+×/23=36/92
5+х=23*36/92
5+х=9
х=9-5
х=4

4/19-3×=36/63
19-3х=4*63/36
19-3х=7
-3х=7-19
-3х=-12
х=4