itsbribribro itsbribribro

19-08-2018
Mathematics

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Twice the difference of a number and nine is 20. Someone please write it as an number equation. Pls and thx

Twice the difference of a number and nine is 20 Someone please write it as an number equation Pls and thx class=

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robcapri2 robcapri2

19-08-2018

[tex] 2(x-9)=20\\ x-9=\frac{20}{2} \\ x-9=10\\ x=10+9\\ x=19 [/tex]

:)

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kiracas kiracas

19-08-2018

Incase you are a visual learner this should help teach you how to show your work good luck

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