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Mathematics 11 Online
OpenStudy (anonymous):

Select an equivalent form of this equation:

OpenStudy (anonymous):

|dw:1433348984572:dw|

OpenStudy (anonymous):

WILL MEDAL

OpenStudy (anonymous):

x - 7 = 3x x - 74 = 12x x - 84 = 3x Those are my choices

OpenStudy (anonymous):

@Michele_Laino @Projects or any 1 else /.\ plz

OpenStudy (michele_laino):

what is the least common multiple between 12 and 4?

OpenStudy (anonymous):

3

OpenStudy (michele_laino):

no, it is 12

OpenStudy (anonymous):

o ok sorry /.\ i thought wrong

OpenStudy (michele_laino):

so we have to multiply both sides by 12, and after that we get: \[x - 7 \times 12 = 3x\]

OpenStudy (michele_laino):

or: \[x - 84 = 3x\]

OpenStudy (anonymous):

so it would be the last one ? /.\

OpenStudy (michele_laino):

no, it is the third one

OpenStudy (anonymous):

ok thank you and do you have time for a couple more???

OpenStudy (michele_laino):

ok!

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