13/7=4/7a+2a+7

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Solution for 13/7=4/7a+2a+7 equation: 


a in (-oo:+oo)

13/7 = (4/7)*a+2*a+7 // - (4/7)*a+2*a+7

13/7-((4/7)*a)-(2*a)-7 = 0

(-4/7)*a-2*a+13/7-7 = 0

-18/7*a-36/7 = 0 // + 36/7

-18/7*a = 36/7 // : -18/7

a = 36/7/(-18/7)

a = -2

a = -2

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