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d) 1 +(2x)/5 = 1/5
(2x)/5 = 1/5 - 1
2x/5 = -4/5
2x = 5*(-4/5)
2x = -4
x = -4/2
x = -2
e) 1/4 -x = 3x/4 -1
1/4 = 3x/4 +x
1/4+1 = 7x/4
4(5/4) = 7x
5 = 7x
x = 5/7
f) 3x/2 +5 = 2x -1/2
3x/2 - 2x = -1/2-5
-x/2 = -11/2
-x = 2(-11/2)
-x = -11
x = 11
(2x)/5 = 1/5 - 1
2x/5 = -4/5
2x = 5*(-4/5)
2x = -4
x = -4/2
x = -2
e) 1/4 -x = 3x/4 -1
1/4 = 3x/4 +x
1/4+1 = 7x/4
4(5/4) = 7x
5 = 7x
x = 5/7
f) 3x/2 +5 = 2x -1/2
3x/2 - 2x = -1/2-5
-x/2 = -11/2
-x = 2(-11/2)
-x = -11
x = 11
eva59:
dan 1/3
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Respuesta dada por:
0
d)
1+ (2x/5) = 1/5
5*{1+(2x/5)} = 1
5+2x = 1
2x = 1-5
2x = -4
x = -4/2
x = -2
e)
(1/4) - x = (3x/4) - 1
(1/4) - x + 1 = 3x/4
(1/4) - x + 4/4 = 3x/4
(5/4) - x = 3x/4
4*{(5/4) -x} = 3x
5-4x = 3x
5=4x+3x
5 = 7x
x = 5/7
f)
(3x/2) + 5 = 2x - (1/2)
(3x/2) -2x = -(1/2) - 5
(3x/2) - (4x/2) = (-1/2) - (10/2)
-x/2 = -11/2
x = 11
Saludos.........
1+ (2x/5) = 1/5
5*{1+(2x/5)} = 1
5+2x = 1
2x = 1-5
2x = -4
x = -4/2
x = -2
e)
(1/4) - x = (3x/4) - 1
(1/4) - x + 1 = 3x/4
(1/4) - x + 4/4 = 3x/4
(5/4) - x = 3x/4
4*{(5/4) -x} = 3x
5-4x = 3x
5=4x+3x
5 = 7x
x = 5/7
f)
(3x/2) + 5 = 2x - (1/2)
(3x/2) -2x = -(1/2) - 5
(3x/2) - (4x/2) = (-1/2) - (10/2)
-x/2 = -11/2
x = 11
Saludos.........
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