5/2x+3x=7(x+3)

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Solution for 5/2x+3x=7(x+3) equation: 


x in (-oo:+oo)

(5/2)*x+3*x = 7*(x+3) // - 7*(x+3)

(5/2)*x-(7*(x+3))+3*x = 0

(5/2)*x-7*(x+3)+3*x = 0

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

(-7*2*(x+3))/2+(5*x)/2+(2*3*x)/2 = 0

5*x-7*2*(x+3)+2*3*x = 0

6*x-9*x-42 = 0

-3*x-42 = 0

(-3*x-42)/2 = 0

(-3*x-42)/2 = 0 // * 2

-3*x-42 = 0

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

-3*x = 42 // : -3

x = 42/(-3)

x = -14

x = -14

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