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Mathematics 13 Online
OpenStudy (anonymous):

4(x+3)-(4x+12)=0 i got... 4x+12-4x-12 sooo it is 0?

OpenStudy (anonymous):

yes!

OpenStudy (anonymous):

this means that x can be all real number

OpenStudy (anonymous):

the equation is valid, and \[x\in\ \mathbb{R}\]

OpenStudy (anonymous):

okay >:)

OpenStudy (anonymous):

|dw:1327016417916:dw|

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