cos(43)=x/9

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Solution for cos(43)=x/9 equation: 


x in (-oo:+oo)

cos(43) = x/9 // - x/9

cos(43)-(x/9) = 0

cos(43)-1/9*x = 0 // - cos(43)

-1/9*x = -cos(43) // : -1/9

x = -cos(43)/(-1/9)

x = 9*cos(43)

x = 9*cos(43)

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