Answer:
Solution given:
25.
-8r=64
dividing both side by -8
-8r/-8=64/-8
r=-8
27.
3/7*m=6
multiplying both side by 7/3 we get
3/7*m*7/3=6*7/3
m=2*7
m=14
28.
-2/5*y=4
multiplying both side by -5/2
-2/5*y*-5/2=4*-5/2
y=2*-5
y=-10
30.
2a=1/5
dividing both side by 2
2a/2=1/5*1/2
a=1/10
