1/2(7y+1)-3=8

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Solution for 1/2(7y+1)-3=8 equation: 


y in (-oo:+oo)

(1/2)*(7*y+1)-3 = 8 // - 8

(1/2)*(7*y+1)-8-3 = 0

1/2*(7*y+1)-8-3 = 0

1/2*(7*y+1)-8-3 = 0

7/2*y-15/2-3 = 0

7/2*y-21/2 = 0

7/2*y-21/2 = 0

7/2*y-21/2 = 0 // + 21/2

7/2*y = 21/2 // : 7/2

y = 21/2/7/2

y = 3

y = 3

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