One Step Equation Review

Front

Which equation best describes the situation: 5 less than a number is 15?

Back

x - 5 = 15

Front

Solve for x: x + 12 = 20

Back

x = 8

Front

What is the solution of 42 = 7f?

Back

f = 6

Front

Solve for y: y - 33 = 147

Back

y = 180

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What is the first step in solving the equation x + 5 = 12?

Back

Subtract 5 from both sides to isolate x.

Front

What is the solution to the equation 3x = 12?

Back

x = 4

Front

How do you check if your solution is correct?

Back

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