como resolver estas ecuaciones por la regla de cramer 2x2: 3x-y=1 y 2x+3y=8
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Step-by-step explanation:
(3x-y=1)×2
(2x+3y=8)×3
6x-2y=2
6x+9y=25
from equation 2-1
11y=23
y=23/11
substitute y value in equation 1
6x-46/11=2
6x=2+46/11
6x=68/11
x=68/66
x=34/33
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