robert5254 robert5254

01-12-2020
Mathematics

contestada

4х – Зу = 34
3х + 2y = 17

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Emersoncushing Emersoncushing

01-12-2020

(7, -2)
2(4x-3y=34)
8x-6y=68

3(3x+2y=17)
9x+6y=51

8x-6y=68
+9x +6y=51
17x =119
x=7

4(7)-3y=34
28-3y=34
-28 -28
-3y=6
y=-2

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