Simplify by adding like terms..
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2 Answers

-4+-5= -9

7x-3x+2x-4x= 2x

answer: -9+2x
by Level 1 User (220 points)

:. -4-5+7x+2x-3x-4x

:. -4-5+9x-3x-4x
:. -9+9x-3x-4x

:. -9+6x-4x

:. -9+2x

:. The answer is -9+2x.

by

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