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Mathematics 91 Online
realy:

6b + 4r represents the total cost of the rice and beans Gabriel bought. If he returns 2 bags of beans and 1 bag of rice, the expression that represents the total cost after the return is (6b + 4r) – (2b + r). What is this expression after simplifying?

IhelpUuHELPme:

Well... the expression is (6b + 4r) – (2b + r) All it is that the problem is asking is to combine like terms When there is a negative outside the parentheses(brakets), you multiply everything inside of it by -1 (- represents a negative), so distribute the -1 to the terms which will lead you with 6b + 4r - 2b - r And since it is only asking for the expression, the total cost after the return would be 4b + 3r

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