X:792=65
x=65*792
x=51480
------------
y-4760=81224:568
y-4760=143
y=143+4760
y=4903
------------------
162945:b=3867-3654
162945:b=213
b=162945:213
b=765
------------------------
d:524=51
d=51*524
d=26724
--------------
x:258=772
x=772*258
x=199176
-----------------
c+4589=3216+5869
c+4589=9085
c=9085-4589
c=4496
===================