# Math?

a △ b means (7-a)*(3+b). Find c if

1. 👍 0
2. 👎 0
3. 👁 14
1. Just plug in the numbers.

3△5 = (7-3)(3+5) = 32
5△c = (7-5)(3+c) = 6+2c

so,

32 = 6+2c
c = 13

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posted by Steve
2. Thank You

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2. 👎 0
posted by Grace

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