3/7(-21X-49)

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Solution for 3/7(-21X-49) equation: 


X in (-oo:+oo)

(3/7)*(-21*X-49) = 0

3/7*(-21*X-49) = 0

( -21*X-49 )

-21*X-49 = 0 // + 49

-21*X = 49 // : -21

X = 49/(-21)

X = -7/3

( 3/7 )

3/7 = 0

X belongs to the empty set

X = -7/3

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