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Mathematics
Kyleigh Harding
29 September, 13:56
2x + 3y = - 2
3x - 2y = 23
+4
Answers (
1
)
Maliyah Cortez
29 September, 15:27
0
x = 5
y = - 4
Step-by-step explanation:
Por sustitución:
2x=-2-3y
2x/2=-2/2-3y/2
x=-2-3y/2
Reemplazo x en la segunda ecuación:
3 (-2-3y/2) - 2y=23
-6-9y/2-2y=23
-6-13y/2=23/2
-6-13y=46
-13y=52
y=-4
Reemplazo y en x:
x=-2-3 (-4) / 2
x=-5 (-4) / 2
x=5
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