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point of intersection watch

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    The two lines sketched here have equationsY= √2 x + 9 and y= 10-xFind the coordinated of the point of intersection.please help
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    Set the 2 equation equal to each other. Because if y=√2 x+9 and y=10-x
    Then √2 x+9 = 10 - x
    Now just solve for x and then put it back into the original equation and solve for y
 
 
 
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