(3x+7)/5=-1

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Solution for (3x+7)/5=-1 equation:


x in (-oo:+oo)

(3*x+7)/5 = -1 // + 1

(3*x+7)/5+1 = 0

(3*x+7)/5+(1*5)/5 = 0

3*x+1*5+7 = 0

3*x+12 = 0

(3*x+12)/5 = 0

(3*x+12)/5 = 0 // * 5

3*x+12 = 0

3*x+12 = 0 // - 12

3*x = -12 // : 3

x = -12/3

x = -4

x = -4

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