In 45 years, Gabriela will be 4 times as old as she is right now. How old is she right now?
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let the present age of Gabriella be x
then,
x+45=4(x)
-4x+x+45=0
-3x=-45
x=15
so currently Gabriela is 15 years old
then,
x+45=4(x)
-4x+x+45=0
-3x=-45
x=15
so currently Gabriela is 15 years old
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