Question

решите!
a)y/3=y/2-7
b)z/5=z/10+1

Answer 1

у/3=y/2-7
y/3=y/-5 |*15
5y=-3y
8y=0
y=0

z/5=z/10+1
z/5=z/11 |*55
11z=5z
6z=0
z=0