ECUACIONES DE MATEMATICAS
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1.- 2x-3 = 6+x
2x -x = 6+3
x=9
2.- 2x +1 = 6
2x = 6-1
x = 5/2
3.- 2(2x-3) = 6+x
4x -6 = 6+x
4x - x = 6+6
3x = 12
x = 12/4
x = 3
4.- 4(x-10) = -6(2-x) -6x
4x -40 = -12+ 6x - 6x
4x = -12+40
4x = 28
x =28/4
x =7
5.- 3/4(2x +4) = x +19
6x +12 = 4x +76
6x-4x = 76-12
2x = 66
x = 66/2
X = 33
6.- (X-1)/6 -(X-3)/7 = -1
7X-7 -6X +18 = -42
X +11 = -42
X = -42-11
X = -53
7.- (X-3)4 = (X-2)/5
5X -15 = 4X -8
5X- 4X = -8+15
X = 7
8.- (X-7)/5 = (X-2)/3
3X -21 = 5X -10
3X-5X = -10+21
-2X = -11
X = -11/-2
X = 11/2
9.- (X-1)/4 - (X-5)36 = (X+5)/9 MCM = 36
9x-9 -4x +20 = 4x +20
5x +11 = 4x +20
5x - 4x = 20-11
x = 11
10.- (x+1)/3 -(x-2)/2 = (x+6)/6 mcm = 6
2x+2 -3x+6 = x+6
-x +8 = x +6
-x-x = +6-8
-2x = -2
x = -2/-2
x = 1
2x -x = 6+3
x=9
2.- 2x +1 = 6
2x = 6-1
x = 5/2
3.- 2(2x-3) = 6+x
4x -6 = 6+x
4x - x = 6+6
3x = 12
x = 12/4
x = 3
4.- 4(x-10) = -6(2-x) -6x
4x -40 = -12+ 6x - 6x
4x = -12+40
4x = 28
x =28/4
x =7
5.- 3/4(2x +4) = x +19
6x +12 = 4x +76
6x-4x = 76-12
2x = 66
x = 66/2
X = 33
6.- (X-1)/6 -(X-3)/7 = -1
7X-7 -6X +18 = -42
X +11 = -42
X = -42-11
X = -53
7.- (X-3)4 = (X-2)/5
5X -15 = 4X -8
5X- 4X = -8+15
X = 7
8.- (X-7)/5 = (X-2)/3
3X -21 = 5X -10
3X-5X = -10+21
-2X = -11
X = -11/-2
X = 11/2
9.- (X-1)/4 - (X-5)36 = (X+5)/9 MCM = 36
9x-9 -4x +20 = 4x +20
5x +11 = 4x +20
5x - 4x = 20-11
x = 11
10.- (x+1)/3 -(x-2)/2 = (x+6)/6 mcm = 6
2x+2 -3x+6 = x+6
-x +8 = x +6
-x-x = +6-8
-2x = -2
x = -2/-2
x = 1
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