Start by subtracting 10 from both sides to get [tex] -x [/tex] alone.
[tex] -x [/tex] + 10 = -5
[tex] -x [/tex] + 10 - 10 = -5 -10
[tex] -x [/tex] = -15
Now divide each side by 1 to get rid of the negative.
[tex] -x [/tex] = -15
[tex] \frac{-x}{-1} = \frac{-15}{-1} [/tex]
[tex] x [/tex] = 15
This means that in the equation [tex] -x [/tex] is 15.
If you want to check if that's correct just plugin 15 for [tex] -x [/tex] into the equation.
[tex] -x [/tex] + 10 = -5
↓
-15 + 10 = -5 ✓ [tex] correct [/tex]
- Marlon Nunez
