The equation may also be balanced by a device called a variable. A variable is an an unknown number represented by any letter in the alphabet (often x). The value of each variable must remain the same in each problem. Several symbols are used to relate all of the variables and constants together. These symbols are listed and explained below.? Multiply, multiply divide, add or Positive, subtract or Negative ( calculate what is inside of the parentheses first. Equations: Solve. Basic Intermediate Advanced Help. Enter an equation along with the variable you wish to solve it for and click the Solve button.
Homework Help. Math; Science; English;. Help typing in your math problems. Simplifying Expressions. Solving Equations One equation. Free math problem solver answers your algebra, geometry, trigonometry, calculus,. Click the Help button to view examples. Incomplete Input. I. Solving Equations Unit: Learn how to solve any type of. A First Lesson in Algebra: Solving Equations!. Click on the specific lesson that you may need help.
(also called grouping symbols) Previous, r Next.