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A={2b+5}/4

A=5

Therefore it can be wriiten as;

{2b+5}/4=5

2b+5=5*4

=20

2b=20-5

=15

b=15/2

A=5

Therefore it can be wriiten as;

{2b+5}/4=5

2b+5=5*4

=20

2b=20-5

=15

b=15/2

A={2b+5}/4

or, 5={2b+5}/4

or, 2b+5=20

or. 2b=16

or, b=8

or, 5={2b+5}/4

or, 2b+5=20

or. 2b=16

or, b=8