9x+ 28=2755. 510+14×=762
9x=2755-28. 14x=762-510
9x=2727. 14x=252
x=2727:9. x=252:14
x=303. x=18
5y-97=943. 410-7y=151
5y=943+97. 7y=410-151
5y=1040. 7y=259
y=1040:5. y=259:7
y=208. y=37
