6.9=y/3-2.1 - solution

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Solution for 6.9=y/3-2.1 equation:

y in (-oo:+oo)

6.9 = y/3-2.1 // - y/3-2.1

2.1-(y/3)+6.9 = 0

9-1/3*y = 0 // - 9

-1/3*y = -9 // : -1/3

y = -9/(-1/3)

y = 27

y = 27

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