One step Addition and Subtraction equations

Front

What is a one-step addition equation?

Back

A one-step addition equation is an equation that requires only one addition operation to isolate the variable. For example, in the equation r + 20 = 27, you can find r by subtracting 20 from both sides.

Front

What is a one-step subtraction equation?

Back

A one-step subtraction equation is an equation that requires only one subtraction operation to isolate the variable. For example, in the equation x - 62 = 123, you can find x by adding 62 to both sides.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform the inverse operation on both sides of the equation. For addition, subtract; for subtraction, add.

Front

What is the solution to the equation r + 20 = 27?

Back

r = 7

Front

What is the solution to the equation S + 18 = 24?

Back

S = 4 + 2

Front

How do you solve the equation x - 62 = 123?

Back

Add 62 to each side to isolate x, resulting in x = 185.

Front

What is the solution to the equation 17 = x + 3?

Back

x = 14

Front

What is the solution to the equation s - 22 = 50?

Back

s = 72

Front

What is the inverse operation of addition?

Back

Subtraction is the inverse operation of addition.

Front

What is the inverse operation of subtraction?

Back

Addition is the inverse operation of subtraction.