One-Step Equations (All Operations)

Which of the following are important to remember when solving equations?

• Whatever you do to one side of the equal sign, you do the same thing on the other side.

• The goal is to get the variable on the left side of the equal sign

• We need to undo the operation being shown by using the inverse (or opposite) operation.

• Whatever you do to one side of the equal sign, you do the opposite on the other side.

• The goal is to get the variable alone on one side of the equal sign.

It's important to keep an equation ________.

What operation is shown in this equation? $3s=15$  

• Addition

• Subtraction

• Mutliplication

• Division

What operation is shown in this equation? $\frac{y}{2}=30$  

• Addition

• Subtraction

• Mutliplication

• Division

What do you need to do to solve this equation? $17=15+f$  

• Add 15 on both sides of the equal sign.

• Subtract 15 on both sides of the equal sign.

• Add 15 on the left side of the equation and subtract 15 on the right side of the equal sign.

• Subtract 15 on the left side of the equation and add 15 on the right side of the equal sign.

What do you need to do to solve this equation? $\frac{k}{5}=22$  

• Multiply by 5 on both sides of the equal sign.

• Divide by 5 on both sides of the equal sign.

• Multiply by 5 on the left side of the equation and divide by 5 on the right side of the equal sign.

• Divide by 5 on the left side of the equation and multiply by 5 on the right side of the equal sign.

Solve the following equation $d-18=29$  

•  $d=11$  

•  $d=18$  

•  $d=47$  

•  $d=2$  

Solve the following equation $8g=104$  

•  $g=832$  

•  $g=14$  

•  $g=96$  

•  $g=112$  

 $\frac{35}{h}=7$  

•  $h=5$  

•  $h=28$  

•  $h=245$  

•  $h=7$  

Solve the following equation $43-r=15$