-2/7(3x+9)=5/7(-2x-4)

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Solution for -2/7(3x+9)=5/7(-2x-4) equation: 


x in (-oo:+oo)

(-2/7)*(3*x+9) = (5/7)*(-2*x-4) // - (5/7)*(-2*x-4)

(-2/7)*(3*x+9)-((5/7)*(-2*x-4)) = 0

(-2/7)*(3*x+9)+(-5/7)*(-2*x-4) = 0

-2/7*(3*x+9)-5/7*(-2*x-4) = 0

-2/7*(3*x+9)-5/7*(-2*x-4) = 0

4/7*x+2/7 = 0

4/7*x+2/7 = 0

4/7*x+2/7 = 0 // - 2/7

4/7*x = -2/7 // : 4/7

x = -2/7/4/7

x = -1/2

x = -1/2

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