1
Question
Solve :
2−9z17−4z=45
Solve :
2−9z17−4z=45
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Solution
2−9z17−4z=45
By cross multiplication,
5(2−9z)=4(17−4z)⇒ 10−45z=68−16z⇒ −45z+16z=68−10⇒ −29z=58⇒ z=58−19=−2Hence z=−2 Ans.
2−9z17−4z=45
By cross multiplication,
5(2−9z)=4(17−4z)⇒ 10−45z=68−16z⇒ −45z+16z=68−10⇒ −29z=58⇒ z=58−19=−2Hence z=−2 Ans.
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