solve : 2x-3y=9; 2x+y= 13
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Step-by-step explanation:
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Answered by
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Answer:
x=6 , y = 1
Step-by-step explanation:
2x-3y=9-------(1) ×1
2x+y=13-------(2) ×3
- - -
_________________
-4y = - 4
y = 1
from eq.(1) we get
2x-3y=9
2x -3×1 = 9
2x -3 = 9
2x = 9 +3
x= 12 ÷2
x = 6
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