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olchik [2.2K]
3 years ago
15

1. If a - b = 4 and a + b = 12, what is the value of a?

Mathematics
1 answer:
Marta_Voda [28]3 years ago
8 0
A=8

Explanation: a+b=12 a-b=4
^^^^^^^ ^^^^^^
8+4=12 8-4=4
A=8
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