Question

pls help me in this...
pls.....​

Answer 1

Answer:

Step-by-step explanation:

On each column subtract the number between the two lines from any number in that column.

Answer 2

Answer:

a. 3 4 a 6

+b 1 6 8

1 1 6 4 4. {a=7}

{b=8}

b. a 3 4 b

+b 2 7 b

3 6 b a { a=2}

{ b=1}

c. 3 b b 9

+a 5 7 a

6 0 2 1. { a=2}

{b=4}

hope this helps