1) 346-x/9=255
x/9 = 346-255
x/9 = 91
x = 91*9
x = 819
2) (529-x)+308 = 384
529-x = 384-308
529-x = 76
x = 529-76
x = 453
1) 346-x/9=255
x/9 = 346-255
x/9 = 91
x = 91*9
x = 819
2) (529-x)+308 = 384
529-x = 384-308
529-x = 76
x = 529-76
x = 453