6x + 4 = 2x + 4

Question

a. no solutions
b. infinite solutions
c. one solution

Answer 1

c. one solution

Solution:

Subtract 2x from both sides to get:
4x + 4 = 4

Subtract 4 from both sides to get:
4x = 0

Divide by 4 to get:
x = 0

Therefore, x = 0 is the only solution.