cristhian23 cristhian23

28-01-2017
Mathematics

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8+2(5 - x) =
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apologiabiology apologiabiology

28-01-2017

we can distribute
2(5)+2(-x)=10-2x

we get
8+10-2x=?
18-2x=?

whatever that ? is, we don't know
multiply both sides by -1
2x-18=-?
add 18 to both sides
2x=18-?
divide bth sides by 2
x=9-(?/2)
whatever the left side it, just divide it by 2 and subtract it from 9

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