How do you find 4x - 2y if x = -1 and y = -5?

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Answer 1 · 2017-09-23T04:00:04

6

You just need to put the given values of #x# and #y# in the given expression and evaluate as:

#=4(-1)-2(-5)#

Just remeber these parantheses rule to simplify this:

#a*(-b)=-a*b#
#-a*(-b)=a*b#

So by applying you will get:

#=-4*1+2*5#

Simplify:

#=6#