3x-5x=42/5

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Solution for 3x-5x=42/5 equation: 


x in (-oo:+oo)

3*x-(5*x) = 42/5 // - 42/5

3*x-(5*x)-(42/5) = 0

3*x-5*x-42/5 = 0

-2*x-42/5 = 0 // + 42/5

-2*x = 42/5 // : -2

x = 42/5/(-2)

x = -21/5

x = -21/5

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