kylebrotton kylebrotton

10-02-2017
Mathematics

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12a+(−7)+12a=13 what is the value of a

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apologiabiology apologiabiology

29-05-2017

rememeber thath you can do anything to an eqation as long as you do it to both sides

12a-7+12a=13
add like terms
24a-7=13
add 7 to both sides
24a=20
divide both sides by 24
a=20/24
a=5/6

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