Question

6.S
1. Solve the following equations by trial and error
method
Sum of 5 and 4q equals 13. Find q.
​

Answer 1

5+4q= 13

Let the value of q= 1.

5+4×1= 13

9≠13 {1st trial}

Let q= 2

5+4×2= 13

5+8= 13

13= 13 {2nd trial}

LHS= RHS

So q=2

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Answer 2

Answer:

5+4q = 13

4q=13 -5

8

4q =8

q=8/4

q=2 is the answer

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