Odpowiedź:
Szczegółowe wyjaśnienie:
a)
-3+2x-6=3-4x
6x=12
x=2
b)
3(x-4)-2(2x-5)=-4
3x-12-4x+10=-4
-x=-2
c)
4-5(3-x)=-x-(3-2x)
4-15+5x=-x-3+2x
4x=8
d)
[tex]\frac{3x-4}{4} -\frac{5-3x}{2} +3=-\frac{5x}{6} |*12\\\\9x-12-30+18x+36+10x=0\\37x=6\\x=\frac{6}{37} \\[/tex]
e)
4-3x≠0
x≠4/3
[tex]\frac{5x-6}{4-3x} =\frac{3}{4} \\20x-24=12-9x\\29x=36\\x=\frac{36}{29}[/tex]
-3 + 2x - 6 = 3 - 4x
2x + 4x = 3 + 9
6x = 12 /:6
x = 2
3(x - 4) - 2(2x - 5) = -4
3x - 12 - 4x + 10 = -4
-x = -4 + 2 /*(-1)
4 - 5(3 - x) = -x - (3 - 2x)
4 - 15 + 5x = -x - 3 + 2x
5x - x = -3 + 11
4x = 8 /:4
(3x - 4)/4 - (5 - 3x)/2 + 3 = -5x/6
3/4x - 1 - 5/2 + 3/2x + 3 = -5/6x
3/4x + 1 1/2x + 5/6x = -2 + 2 1/2
3/4x + 1 2/4x + 5/6x = 1/2
2 1/4x + 5/6x = 1/2
2 3/12x + 10/12x = 1/2
2 13/12x = 1/2
37/12x = 1/2 /*12/37
x = 1/2 * 12/37 = 6/37
(5x - 6)/(4 - 3x) = 3/4
4(5x - 6) = 3(4 - 3x)
20x - 24 = 12 - 9x
20x + 9x = 12 + 24
29x = 36 /:29
x = 36/29 = 1 7/29
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Odpowiedź:
Szczegółowe wyjaśnienie:
a)
-3+2x-6=3-4x
6x=12
x=2
b)
3(x-4)-2(2x-5)=-4
3x-12-4x+10=-4
-x=-2
x=2
c)
4-5(3-x)=-x-(3-2x)
4-15+5x=-x-3+2x
4x=8
x=2
d)
[tex]\frac{3x-4}{4} -\frac{5-3x}{2} +3=-\frac{5x}{6} |*12\\\\9x-12-30+18x+36+10x=0\\37x=6\\x=\frac{6}{37} \\[/tex]
e)
4-3x≠0
x≠4/3
[tex]\frac{5x-6}{4-3x} =\frac{3}{4} \\20x-24=12-9x\\29x=36\\x=\frac{36}{29}[/tex]
Odpowiedź:
a)
-3 + 2x - 6 = 3 - 4x
2x + 4x = 3 + 9
6x = 12 /:6
x = 2
b)
3(x - 4) - 2(2x - 5) = -4
3x - 12 - 4x + 10 = -4
-x = -4 + 2 /*(-1)
x = 2
c)
4 - 5(3 - x) = -x - (3 - 2x)
4 - 15 + 5x = -x - 3 + 2x
5x - x = -3 + 11
4x = 8 /:4
x = 2
d)
(3x - 4)/4 - (5 - 3x)/2 + 3 = -5x/6
3/4x - 1 - 5/2 + 3/2x + 3 = -5/6x
3/4x + 1 1/2x + 5/6x = -2 + 2 1/2
3/4x + 1 2/4x + 5/6x = 1/2
2 1/4x + 5/6x = 1/2
2 3/12x + 10/12x = 1/2
2 13/12x = 1/2
37/12x = 1/2 /*12/37
x = 1/2 * 12/37 = 6/37
e)
(5x - 6)/(4 - 3x) = 3/4
4(5x - 6) = 3(4 - 3x)
20x - 24 = 12 - 9x
20x + 9x = 12 + 24
29x = 36 /:29
x = 36/29 = 1 7/29
Szczegółowe wyjaśnienie: