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Kallie Bailey
Mathematics
6 July, 15:32
Substitution for {2x-3y=11 and - x + 2y = - 6
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Dax Henry
6 July, 15:36
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Step-by-step explanation:
-x+2y=-6
x-2y=6
x=2y+6
substitute in 2x-3y=11 gives us 2 (2y+6) - 3y=11
4y+12-3y=11
y=-1
-x+2 (-1) = -6
-x=-4
x=4
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