. It has greatly affected you to read that how Alien’s stress on the
importance of physical activities is still relevant in the present
situation of COVID 19 pandemic. Write a page in your diary expressing
your views about in what ways do you agree with Alien’s message of
healthy living?
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Explanation:
Given :-
\large \sf \bullet \: \dfrac{2 - 9z}{17 - 4z} = \dfrac{4}{5}∙
17−4z
2−9z
=
5
4
Solution :-
On cross multiplication
\implies⟹ \large \sf \: 4(17 - 4z) = 5(2 - 9z)4(17−4z)=5(2−9z)
\sf \implies 68 - 16z = 10 - 45z⟹68−16z=10−45z
\implies⟹ \large \sf \: 16z - ( - 45z )= 68 - 1016z−(−45z)=68−10
\implies⟹ \sf 29z = -5829z=−58
\implies⟹ \sf \implies x =\dfrac{-58}{29}⟹x=
29
−58
{ \textsf {\textbf{\pink{ \underline{z = - 2}}}}}
z = - 2
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