345678 + 345678 - 3456789 = - 2765433
x - 52 : 13 = 16
x - 52 = 16 x 13
x - 52 = 208
x= 208 + 52
x = 260
345678+345678-3456789=-2765433
x-52:13=16
x-52 = 208
=> x = 260
345678+345678-3456789=-2765433
x-52:13=16
x-4=16
x=16=4
x=20
345678+345678-3456789=-2765433
x-52/13=16
x-4=16
x=16+4
x=20