Respuestas
A) 3x - 2 + 6x = 8-2x + 7
3x + 6x + 2x = 8 + 7 + 2
11x = 17
x = 17/11
B) 6x - 4 + x = -2 + 3x
6x + x - 3x = -2 + 4
4x = 2
x= 2/4
x= 1/2
C) 6-2x+7x-4=1-4x+3
6-4-1-3 = -4x - 7x + 2x
-2 = -9x
-2/-9 = x
2/9 = x
D) 5-3x + x - 1 = 6- 8x
5 - 1 - 6 = -8x - x + 3x
-2 = 6x
-2/6 = x
-1/3 = x
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C) 6 = x/3
6 × 3 = x
18 = x
F) x/3 = 5/3
x = 5/3 × 3
x = 15/3
x = 5
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A) 5x + 7 = 12
5x = 12 - 7
x = 5/5
x= 1
B) 5- x = x-3
5 + 3= x + x
8 = 2x
8/2 = x
4 = x
C) 2x = -x + 9
2x + x = 9
3x = 9
x = 9/3
x = 3
D) -4x + 9 = x - 1
-4xñ - x = -1 -9
-5x = -10
x = -10/-5
x = 2
E) -2x + 1 = -7
-2x = -7 +1
-2x = -6
x = -6/-2
x = 3
x = 3
F) -4-2x = 2 - x
-2x + x = 2 + 4
-x = 6
x = -6
G) 4x-16= x-1
4x-x = -1 +16
3x = 15
x = 15/3
x = 5
H) 2x -1-2x = 0
-1 = 0
Respuesta:
A) 3x - 2 + 6x = 8-2x + 7
3x + 6x + 2x = 8 + 7 + 2
11x = 17
x = 17/11
B) 6x - 4 + x = -2 + 3x
6x + x - 3x = -2 + 4
4x = 2
x= 2/4
x= 1/2
C) 6-2x+7x-4=1-4x+3
6-4-1-3 = -4x - 7x + 2x
-2 = -9x
-2/-9 = x
2/9 = x
D) 5-3x + x - 1 = 6- 8x
5 - 1 - 6 = -8x - x + 3x
-2 = 6x
-2/6 = x
-1/3 = x
----------------------------------
C) 6 = x/3
6 × 3 = x
18 = x
F) x/3 = 5/3
x = 5/3 × 3
x = 15/3
x = 5
----------------------------------
A) 5x + 7 = 12
5x = 12 - 7
x = 5/5
x= 1
B) 5- x = x-3
5 + 3= x + x
8 = 2x
8/2 = x
4 = x
C) 2x = -x + 9
2x + x = 9
3x = 9
x = 9/3
x = 3
D) -4x + 9 = x - 1
-4xñ - x = -1 -9
-5x = -10
x = -10/-5
x = 2
E) -2x + 1 = -7
-2x = -7 +1
-2x = -6
x = -6/-2
x = 3
x = 3
F) -4-2x = 2 - x
-2x + x = 2 + 4
-x = 6
x = -6
G) 4x-16= x-1
4x-x = -1 +16
3x = 15
x = 15/3
x = 5
H) 2x -1-2x = 0
-1 = 0
Explicación paso a paso: