A+b=7 and a-b=13 what are the values of a and b
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a=10andb=-3is the values of a ana b
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a+b=7 equation no 1
a-b=13 equation no 2
solving 1 and 2
a+b=7
a-b=13
2a=20
a=10
b=-3
a-b=13 equation no 2
solving 1 and 2
a+b=7
a-b=13
2a=20
a=10
b=-3
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