-4y+13=6y-7
13+7=6y+4y
20=10y
20/10=10y/10
2=y
Explicación:
4y+13=6y-7
6y-4y=13+7
2y=20
y=20/2
y=10
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-4y+13=6y-7
13+7=6y+4y
20=10y
20/10=10y/10
2=y
Explicación:
4y+13=6y-7
6y-4y=13+7
2y=20
y=20/2
y=10