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Mathematics
Judah Perez
2 March, 06:02
Solve by substitution 3y-2x=10 and x=9-2y
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Kendal
2 March, 06:21
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3y-2 (9-2y) = 10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3 (-28) - 2x=10
-84-2x=10
-2x=94
x=-47
so x is - 47 and y is - 28
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