Solve for a Variable Flashcard 5.4B

Front

Solve for z: 3z - 9 = 12

Back

z = 7

Front

What is the value of x in the equation 3x = 15?

Back

x = 5

Front

What is the value of x in the equation 5x - 7 = 18?

Back

x = 5

Front

Find the value of z in the equation 6z + 2 = 20

Back

z = 3

Front

Solve for z: 5z - 10 = 15

Back

z = 5

Front

What does it mean to 'solve for a variable'?

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving the equation 3z - 9 = 12?

Back

Add 9 to both sides of the equation.

Front

In the equation 3x = 15, how do you isolate x?

Back

Divide both sides by 3.

Front

What is the solution to the equation 5x = 25?

Back

x = 5

Front

How do you check if your solution for z in 6z + 2 = 20 is correct?

Back

Substitute z back into the equation and see if both sides are equal.