Solving 1-Step Equations

Guess what the variable is.

Use inverse operations (undoing) to isolate the variable.

Eliminate the variable.

Subtract 5 from both sides

Add 5 to both sides

None of these

Subtract 10 from both sides

Add 10 to both sides

Subtract 15 from both sides

None of these

Add 15 to both sides

Subtract 3 from both sides

Add 3 to both sides

None of these

Add 8 to both sides

Subtract 10 from both sides

Add 10 to both sides

Subtract 8 from both sides

None of these

Subtract 15 from both sides

Subtract 4 from both sides

Add 15 to both sides

Add 4 to both sides

Subtract 20 from both sides of the equal sign.

Divide both sides of the equal sign by 5.

Subtract 5 from both sides of the equal sign.

Multiply both sides of the equal sign by 5.

Divide both sides of the equal sign by 20.

Subtract 18 from both sides of the equal sign.

Divide both sides of the equal sign by 3.

Divide both sides of the equal sign by 18.

Subtract 3 from both sides of the equal sign.

Multiply both sides of the equal sign by 3.

Divide both sides of the equal sign by 20.

Multiply both sides of the equal sign by -2.

Subtract 20 from both sides of the equal sign.

Divide both sides of the equal sign by -2.

Add 2 to both sides of the equal sign.

Multiply both sides of the equal sign by -5.

Add 5 to both sides of the equal sign.

Subtract 30 from both sides of the equal sign.

Divide both sides of the equal sign by 30.

Divide both sides of the equal sign by -5.

Divide both sides of the equal sign by -3.

Add 3 to both sides of the equal sign.

Add 15 from both sides of the equal sign.

Multiply both sides of the equal sign by -3.

Divide both sides of the equal sign by -15.