One step Addition and Subtraction equations

Front

What is a one-step addition equation?

Back

A one-step addition equation is an equation that can be solved by adding a number to both sides to isolate the variable. For example, in the equation x + 2 = 8, you can subtract 2 from both sides to find x.

Front

What is a one-step subtraction equation?

Back

A one-step subtraction equation is an equation that can be solved by subtracting a number from both sides to isolate the variable. For example, in the equation g - 15 = 30, you can add 15 to both sides to find g.

Front

Solve for x: x + 2 = 8

Back

x = 6

Front

Solve for n: 16 = n + 6

Back

n = 10

Front

Solve for S: S + 18 = 24

Back

S = 6

Front

Solve for g: g - 15 = 30

Back

g = 45

Front

Solve for y: 86 + y = 99

Back

y = 13

Front

What is the first step to solve x + 2 = 8?

Back

Subtract 2 from both sides of the equation.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation, making it easier to solve.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.