24zolas 24zolas

15-11-2018
Mathematics

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

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crimm581 crimm581

15-11-2018

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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15-11-2018

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

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