-1/2(5x+2)=-8.5

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Solution for -1/2(5x+2)=-8.5 equation: 


x in (-oo:+oo)

(-1/2)*(5*x+2) = -8.5 // + 8.5

(-1/2)*(5*x+2)+8.5 = 0

8.5-1/2*(5*x+2) = 0

8.5-1/2*(5*x+2) = 0

7.5-5/2*x = 0

7.5-5/2*x = 0

7.5-5/2*x = 0 // - 7.5

-5/2*x = -7.5 // : -5/2

x = -7.5/(-5/2)

x = 3

x = 3

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