3(x+5)+1/2(6x+12)

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Solution for 3(x+5)+1/2(6x+12) equation: 


x in (-oo:+oo)

3*(x+5)+(1/2)*(6*x+12) = 0

3*(x+5)+1/2*(6*x+12) = 0

3*(x+5)+1/2*(6*x+12) = 0

6*x+21 = 0

6*x+21 = 0

6*x+21 = 0 // - 21

6*x = -21 // : 6

x = -21/6

x = -7/2

x = -7/2

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