5(3+7d)=400

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Solution for 5(3+7d)=400 equation: 


d in (-oo:+oo)

5*(7*d+3) = 400 // - 400

5*(7*d+3)-400 = 0

5*(7*d+3)-400 = 0

35*d-385 = 0

35*d-385 = 0

35*d-385 = 0 // + 385

35*d = 385 // : 35

d = 385/35

d = 11

d = 11

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