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Mathematics 22 Online
OpenStudy (anonymous):

y+5x=x2+7 y=2x+1 solve. Find x and y

OpenStudy (kamibug):

The second equation tells you the value of y. So substitute that value for y into the first equation and then solve it for x. Once you know what x is, substitute the value of x into the second equation to solve for y.

OpenStudy (kamibug):

Does this make sense? :)

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