05-03-2019
Mathematics

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05-03-2019

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3x-y=13

step 1: add y to both sides

3x-y+Y=13+Y

3x=y+13

step 2: divide both sides by 3

3x/ 3 = y+13/3

x=1/3y+ 13/3

answer: x=1/3y+13/3

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