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Mathematics 9 Online
OpenStudy (anonymous):

how do you do a substitution math problem

OpenStudy (anonymous):

Question?

OpenStudy (anonymous):

If you are given x + y = 10, x = 5. Then you need to replace the x in the equation with the number value they give you. So 5 + y = 10. Then y = 5. Is that what you meant?

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