How do you solve #-3/4 x = 12#?

2 Answers
May 19, 2016

convert #-3/4# into a decimal, then divide #12/-0.75#

Explanation:

#-3/4= 3-:4=-0.75#

#12/-0.75=-16#

#x=-16#

Because #-0.75xx-16=12#

May 19, 2016

#x=-16#

Explanation:

Multiply both sides by #color(blue)(4/3)#

#color(brown)(-3/4x=12" "->" "-(3/4color(blue)(xx4/3))xx x= 12color(blue)(xx4/3))#

But #3/4xx4/3 = 1#

#-1xx x=16#

Multiply both sides by #(-1)#

#+1xx x = -16#

#x=-16#