One step Addition and Subtraction equations

Front

What is the first step to solve the equation g - 15 = 30?

Back

Add 15 to both sides of the equation.

Front

How do you isolate the variable in the equation 15 = m - 5?

Back

Add 5 to both sides to isolate m.

Front

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

Back

r = 7.

Front

What is the correct operation to perform to solve 17 = x + 3?

Back

Subtract 3 from both sides.

Front

What is the value of y in the equation 86 + y = 99?

Back

y = 13.

Front

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

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the principle of balancing equations?

Back

Whatever you do to one side of the equation, you must do to the other side to maintain equality.

Front

How can you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the solution to the equation x + 5 = 12?

Back

x = 7.

Front

What operation would you use to solve the equation 10 = y + 4?

Back

Subtract 4 from both sides.