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How do you solve #47=w-(-8)#?

2 Answers

Sep 19, 2016

Add #(-8)# (or subtract #(+8)# from both sides to get
#color(white)("XXX")w=39#

Explanation:

#47=w-(-8)#

#rarr 47color(blue)(+(-8))=wcancel(-(-8)) cancel(color(blue)(+(-8)))#

#rarr 39 = wcolor(white)("XXX")orcolor(white)("XXX")w=39#

Sep 19, 2016

#w=39#

Explanation:

#47=w-(-8)#

or

#w+8=47#

or

#w=47-8#

or

#w=39#

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