Question

If 7x+2=5x, what is the value of -x?

Answer 1

The value of x is -1.
7x+2=5x
2=-2x
-1=x

Answer 2

Answer:

x = -1

Step-by-step explanation:

We must solve 7x+2=5x for x.  To do this, subtract 5x from both sides:

2x + 2 = 0, or

2x = -2, or

x = -1

The solution is x = -1.