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Mathematics, 27.05.2021 16:40 kamjay2006

Which pair of expressions below are equivalent (the same)? a) 4(3b) and 7b
b) 4b + 5b and 20b
c)-5(2b + 2) and 20b
d) 3b + b + 2b and 6b

Please help it’s really important

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Which pair of expressions below are equivalent (the same)? a) 4(3b) and 7b
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