SOLUTION: A-2b=9 2a+3b=4

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Question 1064773: A-2b=9
2a+3b=4
Answer by atiqali4567@gmail.com(1) About Me  (Show Source):
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a-2b=9 (i)
2a+3b=4 (ii)
multiplying eq(i) by 2 and subtracting from (ii)
we have
2a+3b=4
-2a+4b=-18
7b=-14
b=-2
putting the value of b in eq(i)
we have
a-2(-2)=9
a+4=9
a=5