5x+ay=4 and 15x+3y=12 find a
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5x + ay=4____¡
15x+ 3y= 12_____¡¡}
multiply ¡) by 3
then it become
15x + 3ay = 12
substracting it from ¡¡)
then 3ay - 3y = 8
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The value of A=1...Hope it eould be helpfull..plz mark it as
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