Q 1 Solve the following pair of linearequations by substitution method (i)s - t = 3. ,s/3 +t/2. =6 (ii)0.2x. +0.3y =1.3 0.4x + 0.5y = 2.3 (iii) x+y = 7 , 3x - y= 1 ((iv) 3x/2 -5y/3 =-2 x/3 + y/2. = 13/6
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Here is your (iii) answer :
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