3/4x+x=20 - solution

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Solution for 3/4x+x=20 equation:

x in (-oo:+oo)

(3/4)*x+x = 20 // - 20

(3/4)*x+x-20 = 0

7/4*x-20 = 0 // + 20

7/4*x = 20 // : 7/4

x = 20/7/4

x = 80/7

x = 80/7

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