Determine a solução de cada equação
A) 2x+6=3x+4
B) x/2+1 = 5x/3 -6
C)5.(x-1)=2.(3+x)
D) 6x+1/2=2x-3/2
A) 2x+6=3x+4
B) x/2+1 = 5x/3 -6
C)5.(x-1)=2.(3+x)
D) 6x+1/2=2x-3/2
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A) 2x+6=3x+4
2x -3x = 4 -6
- x = -2
x = 2
B) x/2+1 = 5x/3 -6 mmc de 2 e 3 = 6
3.x/6 +6.1/6 = 2.5x/6 -6.6/6 agora descarte os denominadores
3x +6 = 10x - 36
3x -10x = -36 -6
-7x = -42
x = -42/-7
x = +6
C)5.(x-1)=2.(3+x)
5x -1 = 6 +2x
5x -2x = 6 +1
3x = 7
x = 7/3
D) 6x+1/2=2x-3/2 mmc 2
2.12x/2 +1.1/2 = 2.2x/2 -1.3/2 agora descarte os denominadores
24x +1 = 4x -3
24x -4x = -3 -1
20x = -4
x = -4/20 simplifique por 4
x = -1/5