3/10x=2.1 - solution

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Solution for 3/10x=2.1 equation:

x in (-oo:+oo)

(3/10)*x = 2.1 // - 2.1

(3/10)*x-2.1 = 0

3/10*x-2.1 = 0 // + 2.1

3/10*x = 2.1 // : 3/10

x = 2.1/3/10

x = 7

x = 7

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