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Mathematics, 31.01.2020 11:50 salvadorperez26

Which expression is equivalent to (3b + 2r) + (4b + r)?

a. 7b + 2r
b. 7b + 3r
c. 12b + 2r
d. 12b + 3r

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Which expression is equivalent to (3b + 2r) + (4b + r)?

a. 7b + 2r
b. 7b + 3r
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