Question

If AB+C=D,find A and C given that when B =6,D=30 and whenB=8,D=36.

Answer 1

Answer:

Step-by-step explanation:

equation 1st would be when B=6 and D=30,

6A + C = 30------(1)

equation 2nd would be when B=8 and D=36,

8A + C = 36-------(2)

now substracting equation (1) from (2) we get

 8A + C = 36

-(6A + C) = 30

-----------------------

2A=6

A=3

Put A=3 in equation (1)

6*3 +C = 30

or 18 + C = 30

or C = 30 - 18

C = 12

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