3/5(5x-10)=4/7(21x-7)

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Solution for 3/5(5x-10)=4/7(21x-7) equation: 


x in (-oo:+oo)

(3/5)*(5*x-10) = (4/7)*(21*x-7) // - (4/7)*(21*x-7)

(3/5)*(5*x-10)-((4/7)*(21*x-7)) = 0

(3/5)*(5*x-10)+(-4/7)*(21*x-7) = 0

3/5*(5*x-10)-4/7*(21*x-7) = 0

3/5*(5*x-10)-4/7*(21*x-7) = 0

-9*x-2 = 0

-9*x-2 = 0

-9*x-2 = 0 // + 2

-9*x = 2 // : -9

x = 2/(-9)

x = -2/9

x = -2/9

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