Resolver las ecuaciones:
1. 5x=8x-15.
2. 4x+1=2.
3.y-5=3y-25.
4. 5x+6=10x+5.
5. 9y-11=-10+12y.
6. 21-6x=27-8x.
7. 11x +5x-1=65x-36.
8. 8x-4+3x=7x+x+14.
9. 8x+9-12x=4x-13-5x.
10. 5y+6y-81=7y+102+65y
Respuestas
5x = 8x-15.
15 = 8x - 5x
15 = 3x
15/3 = x
5 = x
4x+1 = 2
4x = 2 - 1
4x = 1
x = 1/4
y-5 = 3y-25.
-5 +25 = 3y - y
20 = 2y
20/2 = y
10 = y
5x+6 = 10x+5.
6 -5 = 10x - 5x
1 = 5x
1/5 = x
Eternamente axllxa
TEMA: ECUACIONES
1.- 5x = 8x - 15
5x = 8x - 15
15 = 8x - 5x
15 = 3x
5 = x
RPTA: X = 5
2.- 4x + 1 = 2
4x + 1 = 2
4x = 2 - 1
4x = 1
¼ = x
RPTA: X = ¼
3.- y - 5 = 3y - 25
y - 5 = 3y - 25
25 - 5 = 3y - y
20 = 2y
10 = y
RPTA: Y = 10
4.- 5x + 6 = 10x + 5
5x + 6 = 10x + 5
6 - 5 = 10x - 5x
1 = 5x
⅕ = x
RPTA: X = ⅕
5.- 9y - 11 = -10 + 12y
9y - 11 = -10 + 12y
-11 + 10 = 12y - 9y
-1 = 3y
-⅓ = y
RPTA: Y = -⅓
6.- 21 - 6x = 27 - 8x
21 - 6x = 27 - 8x
8x - 6x = 27 - 21
2x = 6
x = 3
RPTA: X = 3
7.- 11x + 5x - 1 = 65x - 36
11x + 5x - 1 = 65x - 36
16x - 1 = 65x - 36
36 - 1 = 65x - 16x
35 = 49x
5/7 = x
RPTA: X = 5/7
8.- 8x - 4 + 3x = 7x + x + 14
8x - 4 + 3x = 7x + x + 14
11x - 4 = 8x + 14
11x - 8x = 14 + 4
3x = 18
x = 6
RPTA: X = 6
9.- 8x + 9 - 12x = 4x - 13 - 5x
8x + 9 - 12x = 4x - 13 - 5x
9 - 4x = -13 - x
13 + 9 = -x + 4x
22 = 3x
22/3 = x
RPTA: X = 22/3
10.- 5y + 6y - 81 = 7y + 102 + 65y
5y + 6y - 81 = 7y + 102 + 65y
11y - 81 = 72y + 102
-102 - 81 = 61y
-183 = 61y
-3 = y
RPTA: Y = -3
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