a-b=3 a3-b3 =117 a+b=7
HarishAS:
What should v find?
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a-b=3
a=3+b........1
a+b=7
substitute 1
3+b+b=7
2b=7-3
2b=4
b=4/2
b=2.
substitute b in 1
a=3+2
a=5
therefore the value of a=5 and b=2
a=3+b........1
a+b=7
substitute 1
3+b+b=7
2b=7-3
2b=4
b=4/2
b=2.
substitute b in 1
a=3+2
a=5
therefore the value of a=5 and b=2
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