How do you solve #-7 - 4a = -7 + 6a - 4a#?

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Answer 1 · 2015-12-27T14:42:15

#color(blue)(a=0#

#-7-4a = -7 +6a -4a#

#-7cancel(-4a) = -7 +6a cancel(-4a)#

#-7 = -7 +6a #

#cancel(-7) = cancel(-7) +6a #

#0= 0 +6a #

#6a = 0 #

#a = 0/6 #

#color(blue)(a=0#