Answers

2014-06-17T20:47:02+05:30
To solve this X=9y X-y=128 9y-y=128 8y = 128 y = 128/8=16 ------------- Substite into x=9y to solve for "x": x = 9*16 = 144
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2014-06-18T14:30:06+05:30

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To solve this
⇒ X=9y
⇒ X-y=128
⇒ 9y - y=128
8y = 128
 y = 128/8=16
 Substitute into x=9y to solve for "x": x = 9*16 = 144
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