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+124257-x+124257−x+124 + 124=149
257-x+124=149-124
257-x+124=25
257-x=25-124
257-x=-99
x=257 - −99-99−99
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+124257-x+124257−x+124 + 124=149
257-x+124=149-124
257-x+124=25
257-x=25-124
257-x=-99
x=257 - −99-99−99
x=356