Question

a+b = 1, a-b = 7 find a and B

Answer 1

Answer:

YOUR answer IS -15

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Answer 2

Answer:

a=4 and b=-3

Step-by-step explanation:

a+b=1 and a-b=7

adding both equation we get 2a=8 i.e. a=4 now substitute a=4 in equation a+b=1 we get b=-3