theants
theants
30-11-2017
Mathematics
contestada
Solve 5x + 4 = 14 EXPLAIN your answer.
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chudung1976
chudung1976
30-11-2017
We know the value absolute of x is possible x if x positive or -x if x negative.
So we have two cases:
* 5x+4=14 or 5x=14-4, and 5x=10, x=10:5 and we obtain x=2
* 5x+4=-14 or 5x=-14-4, and 5x=-18, so we have x= -18:5
So we choose c, 2, -18/5
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