Question

Find the value of m which satisfies the given equation 3(m - 1) = 2m -11

Answer 1

Given :

• 3(m - 1) = 2m -11

To find :

• the value of m

Solution :

=> 3(m - 1) = 2m -11

=> 3m - 3= 2m -11

=> 3m = 3+2m -11

=> 3m-2m = 3-11

=> m = -8

Answer : -8

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Verification of answer :-

To verify answer put m = -8 in 3(m - 1) = 2m -11. If you get RHS and LHS equal then answer is correct.

Now, RHS = 2m -11

=> 2m -11

=> 2(-8) -11

=>-16-11

=>-16-11

=>-27

Now, LHS = 3(m - 1)

=> 3(m - 1)

=> 3m - 3

=> 3(-8) - 3

=> -24- 3

=> -27

Now , RHS = LHS

Hence verified

So our answer m= -8 is correct.

Answer 2

Answer:

${( - 3)}^{2x + 1} \times { (- 3)}^{ -2}$