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Mathematics 10 Online
OpenStudy (anonymous):

What are the inverse operations necessary to solve the equation 4s-9=13 ? add 4, then divide by 9 subtract 9, then multiply by 4 subtract 4, then multiply by 9 add 9, then divide by 4

OpenStudy (precal):

move 9 then 4, think of the opposite of -9 is and what is the opposite operation of 4s

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