(3+x)/2=70/2x

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Solution for (3+x)/2=70/2x equation: 


x in (-oo:+oo)

(x+3)/2 = (70/2)*x // - (70/2)*x

(x+3)/2-((70/2)*x) = 0

(x+3)/2-35*x = 0

(x+3)/2+(-35*2*x)/2 = 0

x-35*2*x+3 = 0

3-69*x = 0

(3-69*x)/2 = 0

(3-69*x)/2 = 0 // * 2

3-69*x = 0

3-69*x = 0 // - 3

-69*x = -3 // : -69

x = -3/(-69)

x = 1/23

x = 1/23

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