Show:
Reduktion 2
Reduktion 1
Ligninger 2
Ligninger 1
100
-a - 5(a-b) + 3a + 4b
a + 9b
100
4x+x-5x
What is 0
100
40 = 8(4+x)/3
What is x=11
100
3x + 2 = 8
What is x = 2
200
4x(3x+5y) - 3x(2x+3y) + 2xy
What is 6x^2 + 31xy
200
6a-8a
What is -2a
200
3 + 6(x - 4) = 2x + 1
What is x = 5,5
200
2x + 3 = x - 6
What is x = - 9
300
(-3a + 4)(7a-5)
What is 7a^2 - 15a - 20
300
2x+3x+0-2x+x-4x
What is 0
300
11(x-3) = 3x
What is x = 4,125
300
2x - 13 = 6x + 5
What is x= - 4,5
400
x(x-2)-x^2
What is - 2x
400
3a - 2b - (2a + 3b)
What is a - 5b
400
x^2 - 5 = 4
What is x = 3
400
2x - (x+4) = 2x -1
What is x = 5
500
xy - x - y - (xy + x + y)
What is - 2x - 2y
500
3a - 4*2 + 2a*5 - 10a + 3 - 4 + 16a
What is 9a + 7
500
(3x + 4)(5 - 7) = 4x + 5
What is x = -1,3
500
4(-2+x) = 8
What is x= 4