A)(x+124)-76=357
x+48=357
x=357-48
x=309
б)375-y+218=123
593-y=123
-y=123-593
-y=-470
y=470
в)(t-27)+34=53
t-27+34=53
t+7=53
t=53-7
t=46
7 10/10 * 9,6=8*9,6=76,8
.........................................
2.3*6=6.9*x
2.3*6=6.9*x
13.8=6.8x
x=138\69=2
x=2
1/2^-5=4-x
2^5=4-x
x=4-32
x=-28