-x = 10
I will____ both sides by_____
x= _____

Answer:
I will subtract both sides by 10. X=-10
Step-by-step explanation:
X= -10 because if you subtract it to -x it will cancel out the negative.
Answer:
I will divide both sides by -1.
x = -10
Step-by-step explanation:
To solve this, we have to isolate x on one side of the equation. In this equation, 10 = -x.
Remember that the coefficient of a single variable is always 1, so 1x = x. We have -x, which means it's actually -1x. Solve using -1x instead of -x.
[tex]-x=10[/tex]
[tex]-1x=10[/tex]
Divide both sides by -1 to isolate x.
[tex]\frac{-1x}{-1} =\frac{10}{-1}[/tex]
Simplify.
[tex]x = -10[/tex]
x is equal to -10.
The answer is I will divide both sides by -1.
x = -10
I hope this helps :)