7x-3/10=-257/40

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Solution for 7x-3/10=-257/40 equation: 


x in (-oo:+oo)

7*x-(3/10) = -257/40 // + -257/40

7*x-(3/10)-(-257/40) = 0

7*x-3/10+257/40 = 0

7*x+49/8 = 0 // - 49/8

7*x = -49/8 // : 7

x = -49/8/7

x = -7/8

x = -7/8

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