(x+26)-29=19 67-z=28 y+56=83
1) (x+26)-29=19;
x+26 = 19+29;
x = 48-26;
x = 22;
2) 67-z=28
z = 67-28;
z = 39;
3) y+56=83
y = 83 - 56;
y = 27;
(х+26)-29=19 х+26=48 х=48-26 х=22 67-z=28 z=67-28 z=39 y+56=83 y=83-56 y=27