7(3x+9)/2=6(2x+31)/4

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Solution for 7(3x+9)/2=6(2x+31)/4 equation: 


x in (-oo:+oo)

(7*(3*x+9))/2 = (6*(2*x+31))/4 // - (6*(2*x+31))/4

(7*(3*x+9))/2-((6*(2*x+31))/4) = 0

(7*(3*x+9))/2+(-3/2)*(2*x+31) = 0

(7*(3*x+9))/2-3/2*(2*x+31) = 0

(7*(3*x+9))/2+(-3/2*2*(2*x+31))/2 = 0

7*(3*x+9)-3/2*2*(2*x+31) = 0

15*x-30 = 0

(15*x-30)/2 = 0

(15*x-30)/2 = 0 // * 2

15*x-30 = 0

15*x-30 = 0 // + 30

15*x = 30 // : 15

x = 30/15

x = 2

x = 2

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