-2/5x-9/10=-87/70

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Solution for -2/5x-9/10=-87/70 equation: 


x in (-oo:+oo)

(-2/5)*x-(9/10) = -87/70 // + -87/70

(-2/5)*x-(9/10)-(-87/70) = 0

(-2/5)*x-9/10+87/70 = 0

12/35-2/5*x = 0 // - 12/35

-2/5*x = -12/35 // : -2/5

x = -12/35/(-2/5)

x = 6/7

x = 6/7

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