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Lualves56
@Lualves56
December 2019
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Efetue:
A)-5(-2x+3)-(1-4)+(-3x)
B)5(-2x+1)-3(2x+1)
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lelunardi1
A) -5(-2x+3)-(1-4)+(-3x) =
-10x -15 -( -3 ) -3x =
-10x -15 +3 -3x =
-10x -3x = 15 -3
-13x = 12
x = 12/-13
x = -12/13
B) 5(-2x +1) -3(2x+1) =
-10x +5 -6x -3 =
-10x -6x = -5 +3
-16x = -2
x = -2/-16
x = 2/16 simplificando por 2
x = 1/8
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-10x -15 -( -3 ) -3x =
-10x -15 +3 -3x =
-10x -3x = 15 -3
-13x = 12
x = 12/-13
x = -12/13
B) 5(-2x +1) -3(2x+1) =
-10x +5 -6x -3 =
-10x -6x = -5 +3
-16x = -2
x = -2/-16
x = 2/16 simplificando por 2
x = 1/8