Question

What is coefficient of 'x' in the following equation :-
12y-5x+3=0

Answer 1

Answer:

$(i) 3x−4y=7;5x+2y=3</p><p></p><p>3x−4y=7⇒       3x−4y=7</p><p></p><p>2(5x+2y=3)⇒ 10x+4y=6</p><p></p><p>                      --------------------------------------------</p><p></p><p>                                13x+0=13</p><p></p><p>x=1 ⇒ 5+2y=3⇒ y=−1</p><p></p><p>∴ (x,y)=(1,−1)</p><p></p><p>(ii) 5x+7y=17;3x−2y=4</p><p></p><p>3(5x+7y=17)⇒15x+21y=51</p><p></p><p>5(3x−2y=4)⇒15x−10y=20</p><p></p><p>------------------------------------------------------------------</p><p></p><p>31y=31⇒ y=1⇒ 3(x)−2=4⇒ x=2</p><p></p><p>∴ (x,y)=(2,1)</p><p></p><p>(iii)  x−2y=−10;3x−5y=−12</p><p></p><p>3(x−2y=−10)⇒ 3x−6y=−30</p><p></p><p>3x−5y=−12</p><p></p><p>---------------------------------------------------------------</p><p></p><p>−x=18⇒x=18</p><p></p><p>18−2y=−10⇒ y=14</p><p></p><p>∴ (x,y)=(18,14)</p><p></p><p>(iv)  4x+y=34;x+4y=16</p><p></p><p>4x+y=34⇒ 4x+y=34</p><p></p><p>4(x+4y=16)⇒ 4x+16y=64</p><p></p><p>-------------------------------------------------------------</p><p></p><p>−15y=−30</p><p></p><p>⇒ y=2</p><p></p><p>4x+2=34</p><p></p><p>⇒ x=8</p><p></p><p>⇒ (x,y)=(8,2)</p><p></p><p>$

Answer 2

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What is coefficient of 'x' in the following equation :-

12y-5x+3=0

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Coefficient of 'x' is $“-5"$

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