One Step Adding and Subtracting Equations

Front

What is the solution to the equation s - 17 = 87?

Back

s = 104

Front

What is the value of s in the equation 71 = s + 38?

Back

s = 33

Front

Solve for n in the equation n - 18 = 3.

Back

n = 21

Front

What is the value of x in the equation 12 = x + 7?

Back

x = 5

Front

Find x in the equation x + 9 = 12.

Back

x = 3

Front

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

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

What is the first step to solve the equation x - 5 = 10?

Back

Add 5 to both sides of the equation.

Front

If you have the equation y + 4 = 10, what is y?

Back

y = 6

Front

What is the solution to the equation 15 = z - 3?

Back

z = 18

Front

How do 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.