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–3(5y – 4) ≥ 17 Solve and graph on a number line thanks
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–3(5y – 4) ≥ 17 Solve and graph on a number line thanks
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Feb 10, 2020
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–3(5y – 4) ≥ 17 Solve and graph on a number line thanks
Mathematics
middle-school
Steveng
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Steveng
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Answer:
Explanation:
To know the value that y takes according to the inequation
, we must do some algebra.
First
of all, we
divide both terms by (-3), wich would change the direction of the inequality
, as follow:
(at this point you should remember that dividing or multiplying an inequation by anegative number changes the direction of the inequality)..
This means that
. Then,we just have to
add both sides 4
, which yields
.
Then
, which means that, if we
divide both sides by 5
, we obtain the value of y:
(in this case, the direction of inequality does not change because 5 is possitive).
Ticallian
answered
Feb 16, 2020
by
Ticallian
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