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Solve the system of equation below using any method.
3x-2y=30
2x+3y=-19

User Liky
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1 Answer

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{ 3 x - 2 y = 30 * ( 2 )
2 x + 3y = - 19 * ( -3 )

↓

6 x - 4 y = 60
- 6x - 9 y = 57
______________
-13 y = 117

y = 117 / - 13

y = - 9

For x :

3 x - 2y = 30

3 x - 2 ( -9) = 30

3 x + 18 = 30

3 x = 30 - 18

3 x = 12

x = 12 / 3

x = 4

x = 4 and y = -9


hope this helps!



User Sdm
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