(x-42)/12=7

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Solution for (x-42)/12=7 equation: 


x in (-oo:+oo)

(x-42)/12 = 7 // - 7

(x-42)/12-7 = 0

(x-42)/12+(-7*12)/12 = 0

x-7*12-42 = 0

x-126 = 0

(x-126)/12 = 0

(x-126)/12 = 0 // * 12

x-126 = 0

x-126 = 0 // + 126

x = 126

x = 126

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