4a + 3 - 9 = -7 + 2 + a - QAmmunity.org

asked May 8, 2014 159k views

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4a + 3 - 9 = -7 + 2 + a

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$4a + 3 - 9 = -7 + 2 + a\\ 4a-6=-5+a\\ 4a-a=-5+6\\ 3a=1\ /:3\\ a=\frac13$

Pavel Tarno answered May 8, 2014

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4a + 3 - 9 = -7 + 2 + a
4a - 6 = -5 + a
4a - a = -5 + 6
3a = 1 / : 3
a = 1/3

Covar answered May 13, 2014

by Covar

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