Question

if A=(2a-3) B=(5-3a) be two algebraic expression such that 2A+B=5 find the value of

Answer 1

if you are to find the value of a, then the answer would be: 
first you have to substitute the expressions that represent A and B, then simplify until you get the value of a:
2A+B=5
A(2a-3)+ (5-3a)=5
4a-6+5-3a=5
4a-3a-6+5=5
a-1=5
a=5+1
a=6

Answer 2

The correct answer is "6".

Step-by-step explanation:

$The \ given \ values \ are:\\\\A=(2a-3)\\\\B=(5-3a)\\\\2A+B=5\\\\2A=2(2a-3)\\\\2A=4a-6\\\\and,\\\\2A+B=5\\\\On \ putting \ the \ values \ in \ the \ above \ expression,we \ get\\\\(4a-6)+(5-3a)=5\\\\4a-6+5-3a=5\\\\a-1=5\\\\a=5+1\\\\a=6$

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