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How do you add 2x + -5x?

1 Answer

Sep 25, 2015

# (2x) + (-5x) = color(green)( -3x#

Explanation:

The variable #x# is common to both the terms. So taking the common factor out, we get:

#(2x) + (-5x) = x*{2+(-5)}#

# = x*{2-5}#

# = x*(-3)#

# =color(green)( -3x#

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