3/7a+2=-4/7a-5 - solution

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Solution for 3/7a+2=-4/7a-5 equation:

a in (-oo:+oo)

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

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

(3/7)*a+(4/7)*a+2+5 = 0

a+7 = 0 // - 7

a = -7

a = -7

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