Solving for x

Front

What does it mean to 'solve for x'?

Back

To 'solve for x' means to find the value of the variable x that makes the equation true.

Front

What is the first step in solving the equation x - 14 = 3?

Back

Add 14 to both sides of the equation.

Front

What is the solution to the equation 3z = 27?

Back

z = 9.

Front

How do you combine like terms in the equation 2 + 5x + 2x = -12?

Back

Combine 5x and 2x to get 7x.

Front

What is the next step after combining like terms in 2 + 7x = -12?

Back

Subtract 2 from both sides to isolate the term with x.

Front

What is the solution to the equation 8(x - 6) = -(x + 3)?

Back

x = 5.

Front

How do you isolate x in the equation 3 + 4x + 5x = 21?

Back

Combine like terms to get 9x, then subtract 3 from both sides.

Front

What is the final step to solve for x in the equation 9x = 18?

Back

Divide both sides by 9.

Front

What does it mean to have a negative solution for x?

Back

It means that the value of x is less than zero.

Front

What is the importance of checking your solution after solving an equation?

Back

To ensure that the value found satisfies the original equation.