Trial 2: Basic Equations

Front

K - 7 = 28

Back

K = 35

Front

Solve: x - 12 = 36

Back

x = 48

Front

Solve: x + 12 = 36

Back

x = 24

Front

20 = 8x - 12

Back

x = 4

Front

Solve: -5t + 9 = 24

Back

t = -3

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What is the purpose of isolating the variable?

Back

Isolating the variable helps to find its value by getting it alone on one side of the equation.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.