Please Hurry

2. Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions. (2 points each)
a) 6x + 4x - 6 = 24 + 9x
b) 25 - 4x + 15 - 3x + 10 - x
c) 4x + 8 = 2x + 7 + 2x - 20

Respuesta :

a)
6x + 4x - 6 = 24 + 9x
10x - 6 = 24 + 9x
2x = 24 + 6
x = 15

x has one solution.

b)
25 - 4x + 15 - 3x + 10 - x = ?

x has no solution.

c)
4x + 8 = 2x + 7 + 2x - 20
0x = -13 - 8
0x = -21

x is undefined.
x ≠ ∞ or x ≠ -∞

∴ x has no solution.