Why are dates not given so much importance as a stand alone factor to know the past.
Answers
Answer:
Answer:
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ANSWER
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Given:-
\sf{x - y = 2} \: \: \: \: ⇢1x−y=2⇢1
\sf{2x - y + 2 = 0} \: \: \: \: ⇢22x−y+2=0⇢2
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Proof:-
\sf{⇒x = 2 + y \: (from \: 1)}⇒x=2+y(from1)
Substitute the value of x to equation 2
\sf{⇒2(y + 2) - y + 2 = 0}⇒2(y+2)−y+2=0
\sf{⇒2y + 4 - y + 2 = 0}⇒2y+4−y+2=0
\sf{⇒y + 6 = 0}⇒y+6=0
\large\sf{\color{yellow}\boxed{\color{orange}{⇒y = - 6}}} \: \: \: \:
⇒y=−6
Substitute the value of y for equation 1
\sf{⇒x - ( - 6) = 2}⇒x−(−6)=2
\sf{⇒ x + 6 = 2}⇒x+6=2
\sf{⇒x = 2 - 6}⇒x=2−6
\large\sf{\color{yellow}\boxed{\color{orange}{⇒x = - 4}}}
⇒x=−4
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Answer:
Dates are important, as they note when certain events happened. This is very important because history is recorded chronologically. It helps to know that one event happened before another event so that one can examine the relationship between events. Dates also serve to mark periods in history.