Ecuaciones Ejercicios
1. | x2 -7x/15 -2/15= 015x2 -7x – 2 =015x2 -7x = 0 +28x = 2x= 2 8x= 1 4 |
2. | 4(x-10) = -6(2-x)-6x4x – 40 = -12 +6x-6x4x= -12 +40 4x= 28x = 28 4 x = 14x= 7 2 |
3. | 2(x+1) -3(x -2) = x +62x +2 -3x +6 = x +62x-3x-x = 6 -2 -6 -2x = -2x = -2 2x = 2 x= 1 2 |
4. | x -1 x -5 x +5 436 99x – 9 – x + 5 4 +20 36 369x – 9 – x + 5 4x + 20 -4x +9x-x 20 +9 -5 4x 24x=24 4x= 12x= 6 2 |
5. | 6 x +1 2x -3 3 3 1 3 8 16 4 4 8 (3x -2)6 2x + 2 – 2x + 3 3 3x – 1 9x6 16 4 8 86 5 9x -3 9x – 6 16 4 818x -6 -9x +6 x=8.30 8 16.9 309x x=10 x=5 16 8 63 |
6. | 4 5x -3 x -24(x -2)= 5(x-3)4x – 8 = 5x – 15 4x- 5x =-15 + 8 -x = -7x=7 |
7. | 2- -2 .(x +1) – x-3 2x 5x -3 3x2 3 12 2- -2x – 2 x -3 8x-5x+3 3x 1 2 122- -4x-4-x+3 3x+3 3x 2 122- -5x-1x+1 3x 2 42+ 5x+1 x+1+12x 2 44+5x+1 13x+1 2 45x+5 13x +1 2 42(13x+1) 4(5x+5)16x+2 20x+20-20x+16x...
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