Solving Equations and Substitutions

Front

What is the value of X in the equation: 6 + X = 12?

Back

X = 6

Front

Substitute X with 2 in the expression X + 9. What is the result?

Back

11

Front

What is the value of J in the equation: 42 / J = 6?

Back

J = 7

Front

What is the value of X in the equation: 30 + X = 50?

Back

X = 20

Front

What is the value of X in the equation: X - 10 = 26?

Back

X = 36

Front

Define a variable in an equation.

Back

A symbol (often a letter) that represents an unknown value.

Front

What is the first step to solve the equation: X + 5 = 12?

Back

Subtract 5 from both sides.

Front

What does it mean to substitute a variable?

Back

To replace a variable with a specific value.

Front

What is the solution to the equation: 5X = 25?

Back

X = 5

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to get the variable alone on one side.