Addition & Subtraction Equations

Front

What is the process to isolate a variable in an addition equation?

Back

To isolate a variable in an addition equation, subtract the constant from both sides of the equation.

Tags

CCSS.6.EE.B.7

Front

How do you solve for a variable in a subtraction equation?

Back

To solve for a variable in a subtraction equation, add the constant to both sides of the equation.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation n + 8 = 12?

Back

n = 4

Tags

CCSS.6.EE.B.7

Front

If 17 + b = 20, what is the value of b?

Back

b = 3

Tags

CCSS.1.OA.D.8

Front

How can you express x in the equation 87 = 100 - x?

Back

x = 100 - 87, which simplifies to x = 13.

Tags

CCSS.6.EE.B.7

Front

What is the value of c in the equation 65 = 40 + c?

Back

c = 25.

Tags

CCSS.6.EE.B.7

Front

In the equation 120 = b - 80, how do you find b?

Back

Add 80 to both sides: b = 120 + 80, so b = 200.

Tags

CCSS.6.EE.B.7

Front

What is the first step in solving the equation 40 + c = 65?

Back

Subtract 40 from both sides to isolate c.

Tags

CCSS.6.EE.B.7

Front

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

Back

Isolating a variable means to manipulate the equation so that the variable is on one side by itself.

Tags

CCSS.7.EE.B.4A

Front

What is the importance of maintaining balance in an equation when solving for a variable?

Back

Maintaining balance ensures that both sides of the equation remain equal after performing operations.

Tags

CCSS.6.EE.B.7