-7/8+2/5a-2/7a=-117/280

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Solution for -7/8+2/5a-2/7a=-117/280 equation: 


a in (-oo:+oo)

(2/5)*a-((2/7)*a)-7/8 = -117/280 // + -117/280

(2/5)*a-((2/7)*a)-7/8-(-117/280) = 0

(2/5)*a+(-2/7)*a-7/8+117/280 = 0

4/35*a-16/35 = 0 // + 16/35

4/35*a = 16/35 // : 4/35

a = 16/35/4/35

a = 4

a = 4

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