Question

find the solution following equation by trail and error method ​

Answer 1

Answer:

Hope you may like my answer

Answer 2

✪Given:-

• To solve the equation.

✫To find:-

• 3p-1=8

☆Solution:-

1. 3p-1=8
2. 3p=8+1
3. 3p=9
4. p=9/3
5. p=3

✔Verifying

Insert 3 in place of p as it is the value of p.

1. 3×3-1=8
2. 9-1=8
3. 8=8
4. 0=0

L.H.C.=R.H.S.

Hence proved.

✫To find:-

• 7+8k=3

☆Solution:-

1. 7+8k=3
2. 15k=3
3. k=3/15
4. k=1/5

✔Verifying:-

Insert 1/5 in place of k.

1. 7+8×1/5=3
2. 15+1/5=3
3. 3=3
4. 0=0

✫To find:-

• 2-7w=1

☆Solution:-

1. (-5)w=1
2. w=1+5
3. w= 6

✔Verifying:-

1. 2-7+(-6)=1
2. 2-7-6=1
3. 2-1=1
4. 1=1
5. 0=0

Hope it was helpful...

Thanks for asking...☺❤