(3x-7)/9=21

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Solution for (3x-7)/9=21 equation: 


x in (-oo:+oo)

(3*x-7)/9 = 21 // - 21

(3*x-7)/9-21 = 0

(3*x-7)/9+(-21*9)/9 = 0

3*x-21*9-7 = 0

3*x-196 = 0

(3*x-196)/9 = 0

(3*x-196)/9 = 0 // * 9

3*x-196 = 0

3*x-196 = 0 // + 196

3*x = 196 // : 3

x = 196/3

x = 196/3

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