21/30+x/70=0.6

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Solution for 21/30+x/70=0.6 equation: 


x in (-oo:+oo)

x/70+21/30 = 0.6 // - 0.6

x/70+21/30-0.6 = 0

1/70*x+0.1 = 0 // - 0.1

1/70*x = -0.1 // : 1/70

x = -0.1/1/70

x = -7.0000021

x = -7.0000021

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