12=(1000-2x)/42

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Solution for 12=(1000-2x)/42 equation: 


x in (-oo:+oo)

12 = (1000-(2*x))/42 // - (1000-(2*x))/42

12-((1000-(2*x))/42) = 0

12-((1000-2*x)/42) = 0

(-1*(1000-2*x))/42+12 = 0

(-1*(1000-2*x))/42+(12*42)/42 = 0

12*42-1*(1000-2*x) = 0

2*x-496 = 0

(2*x-496)/42 = 0

(2*x-496)/42 = 0 // * 42

2*x-496 = 0

2*x-496 = 0 // + 496

2*x = 496 // : 2

x = 496/2

x = 248

x = 248

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