(4/7)x=400

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Solution for (4/7)x=400 equation: 


x in (-oo:+oo)

(4/7)*x = 400 // - 400

(4/7)*x-400 = 0

4/7*x-400 = 0 // + 400

4/7*x = 400 // : 4/7

x = 400/4/7

x = 700

x = 700

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