exam Maths Puzzle Numerical Ability

What are the steps to solve the following problem

9-2m/7= 19

Is this correct

9-2m/7 = 19
=(9)-9 2m/7 = 19-9
=-2m/7 = 10

I do not know rather this is right or wrong pl

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how do i do this and understand?

Factor each polynomial completely. To begin, state which method should be applied as the first step, given the guidelines of this section. Then sequences and functions what are the missing operations?5,1,6,10-add4-?-5,1,6,10