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OpenStudy (anonymous):
Find the sum. 7x + 15x =
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OpenStudy (anonymous):
@rose21 @skullpatrol
OpenStudy (anonymous):
22x
OpenStudy (anonymous):
You can always add it if it has the same variable. Because 7x and 15 x do (as they both have an x with an exponent of 1), then you can just add them together to get 22x.
OpenStudy (anonymous):
thanks guys!
OpenStudy (unklerhaukus):
if you want an intermediate step, you can factor out the x \[7x + 15x =(7+15)x\]
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