(25-a)/7=3

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Solution for (25-a)/7=3 equation: 


a in (-oo:+oo)

(25-a)/7 = 3 // - 3

(25-a)/7-3 = 0

(25-a)/7+(-3*7)/7 = 0

25-a-3*7 = 0

4-a = 0

(4-a)/7 = 0

(4-a)/7 = 0 // * 7

4-a = 0

4-a = 0 // - 4

-a = -4 // * -1

a = 4

a = 4

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