How do you evaluate #4- 2w = 20#?

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Answer 1 · 2017-09-14T10:48:32

#w = -8#

#4 - 2w = 20#

Collect like terms

#-2w = 20 - 4#

#-2w = 16#

Divide both sides by #-2#

#(-2w)/(-2) = 16/-2#

#w = - 16/2#

#w = -8#