One Step Equations with Rational Numbers

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Front

What does it mean to evaluate an equation?

Back

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

Front

Solve for x: x - 5 = -12

Back

x = -7

Front

What is the first step to solve the equation -35 + y = 70?

Back

Add 35 to both sides of the equation.

Front

Solve for y: -35 + y = 70

Back

y = 105

Front

How do you write an equation for a word problem?

Back

Identify the unknown, assign a variable, and translate the words into a mathematical expression.

Front

Write an equation for: After paying $5.12 for a salad, Norachai has $27.10. How much money did he have before buying the salad?

Back

x - 5.12 = 27.10

Front

What is the solution to the equation x - 5.12 = 27.10?

Back

x = 32.22

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers.

Front

Solve for x: 2x = 14

Back

x = 7