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5.Naghahambing din subalit direkta
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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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