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Mathematics 6 Online
OpenStudy (anonymous):

will medal usercode3rror

OpenStudy (anonymous):

OpenStudy (anonymous):

$2a+2a$2a+2a $\mathrm{Add\:similar\:elements:}\:2a+2a=4a$Add similar elements: 2a+2a=4a $=4a$=4a

OpenStudy (anonymous):

its 4a

OpenStudy (anonymous):

A

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

okie dokie

OpenStudy (anonymous):

np

OpenStudy (anonymous):

You can use the distributive axiom in reverse: 2a + 2a = (2+2)a = 4a

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