Question

See the attached Screenshot

Answer 1

Answer:

1.. - 1/3a=-5 its a= 5 into 3/1

15/1 or 15

2...- 12-b=12.5

b= 12.5-12

b= 0.5

3..- 0.1=-10c

c=10/0.1

c= 100

Answer 2

Answer:

1. 1/3a = -5.

= a = -5 ×3/1.

= a = -15.

2. 12 - b = 12.5.

= 12 - 12.5 = b.

= -0.5 = b.

3. -0.1 = -10c.

= -0.1/-10 = c.

= 0.1/10 = c.

= 0.01 = c.