How do you solve #4.2= 3.4+ - 2u#?

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Answer 1 · 2018-01-17T00:15:01

#u=-(2/5)#

Step-by-step process:

#4.2=3.4+(-2u)#

#4.2=3.4-2u#

move the decimal point

#42=34-20u#

#42=34-20u#
#-34 -34#

#8=-20u#

(#8-:-20)=(-20u-:-20#)

#u=-(2/5)#

Hope this helped you! =D