Resolver las ecuaciones siguientes
a) 3X+5 = 5X-13
b) 5 (7-X) = 31-X
c) 4 (2-3X) = -2X-27
d) 6X - 8 = 4(-2X+5)
e) 3 (2X-2) = 2 (3X+9)
f) 3 (4X+7=) = 4X-25
g) 7X+15 = 3 (3X-7)
h) 4X+1 12X-3
----------- = -----------
3 7
i) 2X - 5 - X 5
----------- = ----------- - -------
15 4 3
j) X X X
----- + ------ - 1 = ----
5 3 2
a) 3X+5 = 5X-13
b) 5 (7-X) = 31-X
c) 4 (2-3X) = -2X-27
d) 6X - 8 = 4(-2X+5)
e) 3 (2X-2) = 2 (3X+9)
f) 3 (4X+7=) = 4X-25
g) 7X+15 = 3 (3X-7)
h) 4X+1 12X-3
----------- = -----------
3 7
i) 2X - 5 - X 5
----------- = ----------- - -------
15 4 3
j) X X X
----- + ------ - 1 = ----
5 3 2
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5+13=5x-3x
18=2x x=9
b) 5 (7-X) = 31-X
35-5x=31-x
35-31=-x+5x
4=4x x=1
c) 4 (2-3X) = -2X-27
8-12x=-2x-27
8+27=12x-2x
10x=35 x=35/10
d) 6X - 8 = 4(-2X+5)
6x-8=-8x+20
6x-8x=20+8
-2x=28 x=-14
e) 3 (2X-2) = 2 (3X+9)
6x-6=6x+18
6x-6x=18+6
0=24 ?? no hay solucion
f) 3 (4X+7=) = 4X-25
12x+21=4x-25
12x-4x=-25-21
8x=-46 X=-46/8=-23/4
g) 7X+15 = 3 (3X-7)
7x+15=9x-21
15+21=9x+7x
36=16x
x=36/16 =9/4