Add and Subtract Equations - 3RD PD

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

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 the first step in solving the equation 19 = x - 5?

Back

Add 5 to both sides to isolate x.

Front

What is the solution to the equation p + 22 = 66?

Back

p = 44.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation until the variable is alone.

Front

What is the equation for finding how many trading cards Anthony has if Charlie has 160 and they have 340 together?

Back

160 + c = 340.

Front

What is the first step to solve the equation x + 8 = 10?

Back

Subtract 8 from both sides.

Front

What does it mean to add both sides of an equation?

Back

It means to perform the same addition operation on both sides to maintain equality.