One Step Adding and Subtracting Equations

Front

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

Back

x = 9

Front

What is the solution to the equation w + 6 = -2?

Back

w = -8

Front

What is the value of y in the equation 99 = 51 + y?

Back

y = 48

Front

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

Back

m = -3

Front

What is the value of n in the equation n - 18 = 3?

Back

n = 21

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 to isolate x.

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.

Front

What is the solution to the equation 2x = 10?

Back

x = 5

Front

What is the solution to the equation 3y - 9 = 0?

Back

y = 3