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Vlada [557]
3 years ago
9

How do I do -9+-2x+9x-1

Mathematics
2 answers:
Yanka [14]3 years ago
8 0

-9+(-2x)+9x-1\qquad\text{combine like terms}\\\\=(-2x+9x)+(-9-1)=\boxed{7x-10}

SVETLANKA909090 [29]3 years ago
3 0
You combine like terms.
-2x+9x
whatever answer that is you then combine the like terms -9+-1 the you just make an expression out of them.
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