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Volrs148
@Volrs148
October 2019
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Qual a solução do sistema 12x+12y=120
5x-5y=-10
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DivinaSABEDORIA10
Verified answer
12X+12Y=120 12X=120-12Y
5X- 5Y =-10 X=120-12Y/12
5(120-12Y)/12-5Y=-10 X=120-12.6/12
(600-60Y/12)-5Y=-10 X=120-72/12
50-5Y-5Y=-10 X=48/12
-10Y=-10-50
-10Y=-60(-1) X=4
10Y=60
Y=60/10
Y=6
SOLUÇÃO X=4 E Y=6
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Verified answer
12X+12Y=120 12X=120-12Y5X- 5Y =-10 X=120-12Y/12
5(120-12Y)/12-5Y=-10 X=120-12.6/12
(600-60Y/12)-5Y=-10 X=120-72/12
50-5Y-5Y=-10 X=48/12
-10Y=-10-50
-10Y=-60(-1) X=4
10Y=60
Y=60/10
Y=6
SOLUÇÃO X=4 E Y=6