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Mathematics 21 Online
OpenStudy (anonymous):

8x-11x=

OpenStudy (ttop0816):

-3x

OpenStudy (anonymous):

explain please

OpenStudy (anonymous):

you can treat this like a normal subtraction problem because the variable x is the same.

OpenStudy (anonymous):

please explain

OpenStudy (anonymous):

8x - 11x = ?x 8 - 11 = ?x > add the variable at the end 8something - 11something = ?something > where something is a variable, in this case x

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