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Anonymous
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Mattie Grant ∙
Chat with our AI personalities
Given:
a + b = 22
a - b = 9
Then:
a = 9 + b
9 + b + b = 22
2b = 13
b = 6.5
a = 15.5
Wiki User
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88
154
By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
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