2 X + Y is equal to 5, 3 x minus Y is equal to 5 by substitution method
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2x+y=5
3x-y=5
from eq 1 ...
x=(5-y)/3
substituting the value of x in equation 2
3x-y=5
3(5-y/3)-y=5
(15-3y)/3-y=5
15-6y/3=5
15-6y=15
-6y=0
y=6
x=5-6/3. =-1/3
3x-y=5
from eq 1 ...
x=(5-y)/3
substituting the value of x in equation 2
3x-y=5
3(5-y/3)-y=5
(15-3y)/3-y=5
15-6y/3=5
15-6y=15
-6y=0
y=6
x=5-6/3. =-1/3
shananya2004:
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