One and Two Step Equations

 $x-5\ =\ 10$  

 $13+x\ =\ 25$  

 $2\left(x-4\right)\ =\ 10$  

 $\frac{2x}{5}\ =\ 10$  

 $\frac{x}{10}-3\ =\ 1$  

 $-8\ +\frac{x}{5}=\ 2$  

 $5x-4=\ 16$ 

 $8x+8=\ 88$ 

Is $5x+4\ =20$ an expression or an equation?

• Expression

• Equation

 $5\times4=\ldots+10$ 
What is the missing number to make this a True Equation

• 4

• 10

• 20

• 9