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X+5y=-7
and 2x-3y=7
-2(x+5y) = -2(-7)
-2x - 10y = 14
2x - 3y = 7
- 13y = 21
y = -21/13
2x-3y=7
2x-3(-21/13) = 7
2x+ 63/13 = 7
2x = 7 - 63/13
2x = (91 - 63)/13
2x = 28/13
x = 28/26
x = 14/13
and 2x-3y=7
-2(x+5y) = -2(-7)
-2x - 10y = 14
2x - 3y = 7
- 13y = 21
y = -21/13
2x-3y=7
2x-3(-21/13) = 7
2x+ 63/13 = 7
2x = 7 - 63/13
2x = (91 - 63)/13
2x = 28/13
x = 28/26
x = 14/13
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answered 8 months ago
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