Equations

Front

What is an equation?

Back

An equation is a mathematical sentence showing that two expressions are equal.

Front

What is the solution of the equation 2x = 10?

Back

x = 5

Front

How do you solve the equation 12 + m = 15 for m?

Back

m = 3

Front

What is the value of z in the equation -10z = 40?

Back

z = -4

Front

How do you solve the equation 5x - 8 = 3x + 16?

Back

x = 12

Front

What is the first step in solving an equation?

Back

Identify the variable and isolate it on one side of the equation.

Front

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

Back

To isolate a variable means to manipulate the equation so that the variable is alone on one side.

Front

What is the principle of balancing equations?

Back

The principle of balancing equations states that whatever you do to one side of the equation, you must do to the other side.

Front

What is a linear equation?

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one.

Front

What is the solution set of an equation?

Back

The solution set of an equation is the set of all values that satisfy the equation.