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Mathematics 20 Online
OpenStudy (itsbribro):

When the number of marbles Jill has is subtracted from 20, the result is the same as adding 16 to the number of marbles. How many marbles does Jill have?

OpenStudy (anonymous):

20-x=x+16

OpenStudy (anonymous):

Does that make sense?

OpenStudy (itsbribro):

kinda

OpenStudy (itsbribro):

wait.....

OpenStudy (itsbribro):

is it 2?

OpenStudy (anonymous):

yes :) sorry, my internet cut out :P

OpenStudy (itsbribro):

its okay :) thank you

OpenStudy (anonymous):

add the -x, giving you 20=2x+16 subtract the 16, giving you 4=2x divide to get x=2

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