Solving Equations

Front

What is the first step to solve the equation x + 12 = 20?

Back

Subtract 12 from both sides to isolate x.

Front

How do you isolate x in the equation 2x + 6 = 14?

Back

Subtract 6 from both sides, then divide by 2.

Front

What is the solution for n in the equation 8 = n + 3n - 24?

Back

Combine like terms to get 4n = 32, then divide by 4.

Front

How do you solve the equation x/4 - 3 = 9?

Back

Add 3 to both sides, then multiply by 4 to isolate x.

Front

What is the solution for x in the equation 2x + 6 = 14?

Back

x = 4.

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is alone on one side.

Front

What is the principle of balancing equations?

Back

Whatever you do to one side of the equation, you must do to the other side.

Front

What is the solution to the equation x + 12 = 20?

Back

x = 8.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the process to solve for x in the equation 8 = n + 3n - 24?

Back

Combine like terms to get 4n = 32, then solve for n.