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06-02-2016
Mathematics

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2x-4/10 = 2x/20 Solve for x.

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06-02-2016

make 2x/20=x/10
2x-4/10=x/10
multiply both sides by 10
20x-4=x
subtract x from both sides
19x-4=0
add 4
19x=4
divide by 19
x=4/19

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