How do you solve #-5x - 2= x + 70#?

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Answer 1 · 2017-07-31T02:04:37

#x=-12#

Add #2# and subtract #x# from both sides:

#-5xcolor(blue)(-x)cancel(-2color(red)(+2))=cancel(xcolor(blue)(-x))+70color(red)(+2)#

#-5xcolor(blue)(-x)=70color(red)(+2)#

#-6x=72#

Divide #-6# from both sides:

#cancel(-6)/cancel(-6)x=72/-6#

#x=-12#