1) 2x = 2x = 1
2) -6x + 18 - 13 = 4x - 12-6x + 5 = 4x - 12-10x = -17x = 17/10
3) -3x - 1 + 10 = 17 + 2x - 3-3x + 9 = 16 + 2x-5x = 7x = -7/5
4) x^2 - 6x + 5 = 0(x - 5)(x - 1) = 0x = 5 or x = 1
5) 2x^2 - 5 = 02x^2 = 5x^2 = 5/2x = ±√(5/2)
6) 3x - 12 = 03x = 12x = 4
7) 4x^2 - 8x = 04x(x - 2) = 0x = 0 or x = 2
1) 2x = 2
x = 1
2) -6x + 18 - 13 = 4x - 12
-6x + 5 = 4x - 12
-10x = -17
x = 17/10
3) -3x - 1 + 10 = 17 + 2x - 3
-3x + 9 = 16 + 2x
-5x = 7
x = -7/5
4) x^2 - 6x + 5 = 0
(x - 5)(x - 1) = 0
x = 5 or x = 1
5) 2x^2 - 5 = 0
2x^2 = 5
x^2 = 5/2
x = ±√(5/2)
6) 3x - 12 = 0
3x = 12
x = 4
7) 4x^2 - 8x = 0
4x(x - 2) = 0
x = 0 or x = 2