Question

Consider x + 4 = x + 8. What values could be substituted for x to make this a true number sentence? explain how you know

Answer 1

There are no values of x that make the equation true

The system has no solution

Explanation:

we have

`x+4=x+8`

Solve for x

Subtract x both sides

`x+4-x=x+8-x`

`4=8` -----> is not true

therefore

Is a inconsistent system

There are no values of x that make the equation true

The system has no solution