3x-10x-5/2=20

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Solution for 3x-10x-5/2=20 equation: 


x in (-oo:+oo)

3*x-(10*x)-(5/2) = 20 // - 20

3*x-(10*x)-(5/2)-20 = 0

3*x-10*x-5/2-20 = 0

-7*x-45/2 = 0 // + 45/2

-7*x = 45/2 // : -7

x = 45/2/(-7)

x = -45/14

x = -45/14

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