VasiaZozulia

Verified answer

1)х+58/31=186;
x = 186 - 58/31 
x = (186·31 - 58) / 31
x = (5766 - 58) / 31
x = 5708 / 31 = 184 4 /31

2)2+180/х-11=22;
180/x = 22 - 2 + 11 
180/x = 31
x = 180/31 = 5 25/31

3)2379-х/17+202=300
x/17 = 2379 + 202 - 300
x/17 = 2281
x = 2281 * 17 = 38777