1/3a-4+9=7 - solution

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Solution for 1/3a-4+9=7 equation:

a in (-oo:+oo)

(1/3)*a-4+9 = 7 // - 7

(1/3)*a-7-4+9 = 0

1/3*a-2 = 0 // + 2

1/3*a = 2 // : 1/3

a = 2/1/3

a = 6

a = 6

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