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katrin2010 [14]
3 years ago
7

5(2 + x) + 2(6 - 2x) = 20

Mathematics
1 answer:
Jlenok [28]3 years ago
8 0
I just distributed the 5 and 2 to the parentheses and the used PEMDAS

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10a^3+15a^2b-4ab^2-6b^3
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