Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
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$- 8$
Calculate the value
$- \color{#FF6800}{ 2 } ^ { \color{#FF6800}{ 3 } }$
$ $ Calculate power $ $
$- \color{#FF6800}{ 8 }$
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