111 + x = 123 + 3
111 + x = 126
x = 126- 111
x= 15
x + 234 = 567
x= 567 - 234
x =333
mink k roi
a) 111 + x = 123 + 3
111 + x =126
x = 126 - 111
x = 15
b) x + 234 = 567
x = 567 - 234
x = 333
111+x=123+3
111+x=126
x=126-111
x=15
x+234=567
x=567-234
x=333
a,111+x=123+3
111+x=126
x=126-111
x=26
b,x+234=567
x =567-234
x =333