Respuesta:
1.X=2
2.X=14/9
3.X=2
PASO A PASO:
1. 7X+4=18
7X=18-4
X=2
2. 9X+6=20
9X=20-6
9X=14
X=14/9
3. 10X+5=25
10X=25-5
10X=20
CORONITA PORFAVOR :)
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Respuesta:
1.X=2
2.X=14/9
3.X=2
PASO A PASO:
1. 7X+4=18
7X=18-4
X=2
2. 9X+6=20
9X=20-6
9X=14
X=14/9
3. 10X+5=25
10X=25-5
10X=20
X=2
CORONITA PORFAVOR :)