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Combine like terms 4x-5+(-7x)+9=
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Combine like terms 4x-5+(-7x)+9=

User Greatvovan
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1 Answer

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just combine the x terms and the number terms exg
3x+4x=x(3+4)=7x

so 4x-5+(-7x)+9=
4x-5-7x+9

(4x-7x)+(-5+9)=
x(4-7)+(4)=
-3x+4
or 4-3x
User Jimsweb
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