Resposta :

-15-11x=-9-3x
3x-11x=-9+15
-8x=5
x= - 5/8
-15 - 11x = -9 - 3x
-11+3x=15-9
-8x=6 (-1)
8x=6
x= 
[tex] \frac{6 ^{:2}}{8^{:2}} \\\\ \frac{3}{4} [/tex]


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