7(x+5/7)+2x=84,2

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Solution for 7(x+5/7)+2x=84,2 equation: 


x in (-oo:+oo)

7*(x+5/7)+2*x = 84.2 // - 84.2

7*(x+5/7)+2*x-84.2 = 0

7*(x+5/7)+2*x-84.2 = 0

9*x-84.2+5 = 0

9*x-79.2 = 0

9*x-79.2 = 0

9*x-79.2 = 0 // + 79.2

9*x = 79.2 // : 9

x = 79.2/9

x = 8.8

x = 8.8

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