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Algebra 16 Online
OpenStudy (anonymous):

Solve for the variable. w + 12 = 33. 45 right?

OpenStudy (joel_atkins):

It's 21..

OpenStudy (anonymous):

Why?

OpenStudy (joel_atkins):

w = 21 w(21) + 12 = 33.

OpenStudy (anonymous):

subtract 12, do opposite

OpenStudy (anonymous):

Thank you!

OpenStudy (joel_atkins):

No worries, simple math like that can problably be done in the google engine.

OpenStudy (anonymous):

since its addition, you have to do the opposite of that which is subtraction so you subtract 12 from both sides and get 21

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