(4/a-7)=(-2a/a-3)

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Solution for (4/a-7)=(-2a/a-3) equation: 


D( a )

a = 0

a = 0

a = 0

a in (-oo:0) U (0:+oo)

4/a-7 = (-2*a)/a-3 // - (-2*a)/a-3

4/a-((-2*a)/a)-7+3 = 0

4/a-7+2+3 = 0

4*a^-1 = 2 // : 4

a^-1 = 1/2

-1 < 0

1/(a^1) = 1/2 // * a^1

1 = 1/2*a^1 // : 1/2

2 = a^1

a = 2

a = 2

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