(4y+9)/3-7=-18

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Solution for (4y+9)/3-7=-18 equation: 


y in (-oo:+oo)

(4*y+9)/3-7 = -18 // + 18

(4*y+9)/3-7+18 = 0

(4*y+9)/3+(-7*3)/3+(3*18)/3 = 0

4*y-7*3+3*18+9 = 0

4*y-12+54 = 0

4*y+42 = 0

(4*y+42)/3 = 0

(4*y+42)/3 = 0 // * 3

4*y+42 = 0

4*y+42 = 0 // - 42

4*y = -42 // : 4

y = -42/4

y = -21/2

y = -21/2

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