Adding and Subtraction Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the purpose of the equal sign in an equation?

Back

The equal sign (=) indicates that the expressions on both sides of it have the same value.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other side.

Front

What is the first step to solve x + 4 = 6?

Back

Subtract 4 from both sides of the equation.

Front

What is the solution to the equation x + 4 = 6?

Back

x = 2.

Front

How do you solve for y in the equation 4 = y + 3?

Back

Subtract 3 from both sides of the equation.

Front

What is the solution to the equation 4 = y + 3?

Back

y = 1.

Front

What is the first step to solve t - 7 = 2?

Back

Add 7 to both sides of the equation.

Front

What is the solution to the equation t - 7 = 2?

Back

t = 9.