143a - One Step Adding and Subtracting Equations

Front

What is the solution to the equation r + 12 = 25?

Back

r = 13

Front

Solve the equation x + 3 = 9.

Back

x = 6

Front

What is the value of x in the equation x + 9 = 12?

Back

x = 3

Front

Solve the equation 15 = n + 7.

Back

n = 8

Front

What is the solution to the equation m + 4 = 1?

Back

m = -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

Subtract 5 from both sides.

Front

If you have the equation 2y = 10, how do you solve for y?

Back

Divide both sides by 2.

Front

What is the solution to the equation 7 = p - 2?

Back

p = 9

Front

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

Back

Substitute the solution back into the original equation.