How do you solve and check #-6x-7 = -1(-9+2x)#?

1 Answer
jk.13
Mar 23, 2018

#x=-4#

Explanation:

#-6x-7=9-2x# distribute
#4x=-16# add 6x and subtract 9 from both sides
#x=-4# divide by coefficient (4) to isolate #x#
Check:
Plug #-4# into #x# in the original equation
#-6(-4)-7=-1[-9+2(-4)]#
#24-7=-1(-9-8)#
#17=-1(-17)#
#17=17#

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