25y-9y+78=350
208 :(91-a)=4
Упростить
14-7t+13=
x-10+11x=
9k+8-k=
17z+n-5z+n
6t+t+3-t=
z-11-88=
7z+6m-n-m=
16y=272
y=17
208=(91-a)*4
208=364-4a
156=4a
a=39
14-7t+13=27-7
x-10+11x=12x-10
9k+8-k=8k+8
17z+n-5z+n=2n+12z
6t+t+3-t=6t+3
z-11-88=z-99
7z+6m-n-m=5m-n+7z