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Vitoria5748
@Vitoria5748
December 2019
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Sabendo que y= 2x-3 calcule o valor de x na equaçao 3x- 5y=19
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paulacastro11
Y = 2x - 3
Logo:
3x - 5.(2x-3) = 19
3x - 10x + 15 = 19
-7x = 19-15
-7x = 4
x = -4/7
1 votes
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Logo:
3x - 5.(2x-3) = 19
3x - 10x + 15 = 19
-7x = 19-15
-7x = 4
x = -4/7