Answered

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solve each system by elimination> 9x-3y=3: 3x+8y=-17

Sagot :

9x-3y=3. |x3| 27x-9y=9
3x+8y=-17. |x9|27x+72y=-153
--------------------------------- -

-81y=162
y=-2


9x-3y=3
9x-3(-2)=3
9x+6=3
9x=3-6
x=-3/9
x=-⅓




x=-⅓
y=-2



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