If: x+9+5x = 21+2x Then: x = 3
5x + x - 6x + 2x = 2x
5x+2=x+10 5x-x=10-2 4x=8 x=2
9.2x+5x=35
3 + 5x = 38 -> 5x = 35 -> x = 7
x=6
If: x+9+5x = 21+2x Then: x = 3
5x + x - 6x + 2x = 2x
5x+2=x+10 5x-x=10-2 4x=8 x=2
x = 10x, so derivative = 10
9.2x+5x=35
3 + 5x = 38 -> 5x = 35 -> x = 7
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
0 because X= -1
5x+3y
5x+1
x = zero