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XingLing
@XingLing
November 2019
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Alguém poderia me ajudar nessas inequações? Ficarei muito grato!
a) 6x-7>3x+2
b)
c) 5x+(7+4)>4x+6
d)
e)
f)
g)
h)
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rowenamacleod
A) 6x - 7 > 3x +2
6x - 3x > 2 + 7
3x > 9
x > 3
B) 2x+5x−8≥−3+4x
7x - 8 ≥ - 3 + 8
7x - 4x ≥ - 3 + 8
3x ≥ 5
x ≥ 5/3
C) 5x+(7+4)>4x+6
5x+11>4x6
5x-4x>6-11
x>-5
D) 3(x−2)+3≤4(x+1)−4
3x-6+3≤4x+4-4
3x-3≤4x
3x-4x≤ 3
-x≤ 3
x≥-3
E) ) \frac{x-1}{2}-\frac{3x-2}{3}\leq \frac{1+x}{4}2x−1−33x−2≤41+x
6(x-1) -4 (3x-2) ≤ 3 (1+x)
6x -6-12x+8≤ 3+3x
-6x+2≤ 3+3x
-6x-3x≤ 3-2
-9x≤1
x≤-1/9
1 votes
Thanks 0
rowenamacleod
daqui a pouco vou fazer a F, a G e a H
XingLing
Tá
XingLing
Obrigado ai
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Lista de comentários
6x - 3x > 2 + 7
3x > 9
x > 3
B) 2x+5x−8≥−3+4x
7x - 8 ≥ - 3 + 8
7x - 4x ≥ - 3 + 8
3x ≥ 5
x ≥ 5/3
C) 5x+(7+4)>4x+6
5x+11>4x6
5x-4x>6-11
x>-5
D) 3(x−2)+3≤4(x+1)−4
3x-6+3≤4x+4-4
3x-3≤4x
3x-4x≤ 3
-x≤ 3
x≥-3
E) ) \frac{x-1}{2}-\frac{3x-2}{3}\leq \frac{1+x}{4}2x−1−33x−2≤41+x
6(x-1) -4 (3x-2) ≤ 3 (1+x)
6x -6-12x+8≤ 3+3x
-6x+2≤ 3+3x
-6x-3x≤ 3-2
-9x≤1
x≤-1/9