474+m=500
m=500-474
m=26
y-708=194
y=708+194
y=902
511-a=208
a=511-208
a=303
(257-x+124) + 124=149
257-x+124=149-124
257-x+124=25
257-x=25-124
257-x=-99
x=257 - (-99)
x=356
474+m=500
m=500-474
m=26
y-708=194
y=708+194
y=902
511-a=208
a=511-208
a=303
(257-x+124) + 124=149
257-x+124=149-124
257-x+124=25
257-x=25-124
257-x=-99
x=257 - (-99)
x=356