19x-3y=17,3x+5y=11 by substitution, cross multiplication & elimation method
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pahale gand de. ........
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19x-3y=17...........(1)*3
3x+5y=11.............(2)*19
57x-9y=51
57x+95y=209
- - - (Sign change)
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0-86y=-158
86y=158
y=158/86
y= 79/43
put in eq(1)
19x-3(79/43)=17
19x=17+237/43
19x=(731+237)/43
19x=968/43
x=968/43*19
x=968/817
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