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What is the simultaneous linear equations by the substitution method x+y=14x- y= 4 |
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Answer» x+y=14 .)x−y=4 i)From (II) y=x−4 (III)SUBSTITUTING y from (iii) in (i), we getx+x−4=14⇒2x=18⇒x=9Substituting x=9 in (iii), we gety=9−4=5,i.e, y=5x=9,y=5 |
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