Solving Addition and Subtraction Equations

Front

What is the solution to the equation y - 8 = 9?

Back

y = 17

Front

Solve for c: 14 = c - 7.

Back

c = 21

Front

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

Back

n = 9

Front

Solve for y in the equation 12 + y = 15.

Back

y = 3

Front

Solve for s: 54 = s + 34.

Back

s = 20

Front

What is the first step to solve the equation x + 5 = 12?

Back

Subtract 5 from both sides.

Front

If a - 3 = 10, what is the value of a?

Back

a = 13

Front

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

Back

To get the variable alone on one side of the equation.

Front

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

Back

Substitute the solution back into the original equation.

Front

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

Back

z = 7