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