21/2+3y=7 - solution

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Solution for 21/2+3y=7 equation:

y in (-oo:+oo)

3*y+21/2 = 7 // - 7

3*y+21/2-7 = 0

3*y+7/2 = 0 // - 7/2

3*y = -7/2 // : 3

y = -7/2/3

y = -7/6

y = -7/6

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