How many solutions, if any, does the equation 2x − 2x − 7 = −7 have?

Question

options:

a)t has infinitely many solutions. 

b)It has two solutions. 

c)It has one solution. 

d)It has no solution.

Answer 1

Simplify the equation and see that you are left with

-7 = -7

There is no dependence on the value of x.