Question

How many solutions does the following equation have?

5x+8-7x=-4x+1

Answer 1

One - it is x = -7/2

Explanation:

We can solve the equation as follows:

5x +8 -7x = -4x +1

-2x + 8 = -4x +1

2x +8 = 1

2x = -7

x = -7/2

So there is only one (i.e. a unique) solution for x.