6x+1/7(7x+21)

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Solution for 6x+1/7(7x+21) equation: 


x in (-oo:+oo)

(1/7)*(7*x+21)+6*x = 0

1/7*(7*x+21)+6*x = 0

1/7*(7*x+21)+6*x = 0

7*x+3 = 0

7*x+3 = 0

7*x+3 = 0 // - 3

7*x = -3 // : 7

x = -3/7

x = -3/7

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