Actividad. Obtén el valor de X y realiza la comprobación para cada una de las ecuaciones.
-14x-12
|
=
| 12x+92 |
6x-7
|
=
| -8x-105 |
-12x+10
|
=
| 10x-166 |
-9x+2
|
=
| 2x+167 |
x-15
|
=
| 6x-40 |
-7x+5
|
=
| 14x+194 |
-14x-12
|
=
| 12x+92 |
6x-7
|
=
| -8x-105 |
-12x+10
|
=
| 10x-166 |
-9x+2
|
=
| 2x+167 |
x-15
|
=
| 6x-40 |
-7x+5
|
=
| 14x+194 |
-6x-10
|
=
| 4x+80 |
-6x-4x
|
=
| 80+10 |
-10x
|
=
| 90 |
x
|
=
| 90/-10 |
x
|
=
| -9 |
Comprobación
|
-6(-9)-10
|
=
| 4(-9)+80 |
54-10
|
=
| -36+80 |
44
|
=
| 44 |
7x+10
|
=
| -7x+94 |
7x+7x
|
=
| 94-10 |
14x
|
=
| 84 |
x
|
=
| 84/14 |
x
|
=
| 6 |
Comprobación
|
7(6)+10
|
=
| -7(6)+94 |
42+10
|
=
| -42+94 |
52
|
=
| 52 |
13x+8
|
=
| -14x-343 |
12x+1
|
=
| -15x-404 |
-5x+9
|
=
| 12x+179 |
-x+15
|
=
| 5x+15 |
-6x-10
|
=
| 4x+80 |
2x+6
|
=
| -12 |
-13x-6
|
=
| -97 |
-12x-14
|
=
| -14 |
-11x+12
|
=
| 144 |
-11x
|
=
| 144-12 |
-11x
|
=
| 132 |
x
|
=
| 132/-11 |
x
|
=
| -12 |
Comprobación
|
-11(-12)+12
|
=
| 144 |
132+12
|
=
| 144 |
144
|
=
| 144 |
-8x-15
|
=
| -111 |
-8x
|
=
| -111+15 |
-8x
|
=
| -96 |
x
|
=
| -96/-8 |
x
|
=
| 12 |
Comprobación
|
-8(12)-15
|
=
| -111 |
-96-15
|
=
| -111 |
-111
|
=
| -111 |