Basic Math Equations Examples
For example suppose you want to divide 6 by some other number.
Basic math equations examples. A and b are called constants. Hide answer show step by step. This lesson on equations should be very useful to students in middle and high school math. X 8 12.
Register for our free pre algebra refresher and solving equations unit. Basic algebra is the field of mathematics that it one step more abstract than arithmetic. Click here for more information on our algebra class e courses. Get access to hundreds of video examples and practice problems with your subscription.
Find x when 9x 63. Discount rate discount list price. Y 9 25. To check your answer simply plug your answer into the equation.
Some of the basic algebra worksheets are given below containing basic math algebra questions. Y 30 15. Or x 21 x 7. In y ax b x is called independent variable and y is called dependent variable.
Solve x 12 6. 2x 8 14 2. Linear equations are all equations that have the following form. If x 7 21 then find x.
To solve the equation x 8 12 you must get x by itself on one side. Sales tax price of item tax rate. Show answer show step by step. As you can see al.
Y ax b. Interest principal rate of interest time. To solve this equation you must get y by itself on one side. How to multiply with the number line.
Any general polynomial of degree n with the coefficients being real or complex numbers and a n 0 is known by the fundamental theorem of algebra to have n not necessarily distinct complex roots r 1 r 2 r n vieta s formulae relate polynomial s coefficients to signed sums of products of the roots r 1 r 2 r n as follows. 17x 12 114 3x. Suppose you start at 0 and circle every other number on a number line as shown in the below figure. Show answer show step by step.
Find y when y 15 30. Given x 7 21. Steps to solve a basic two step algebra equation this video walks students through the steps to solve a basic two step algebra equation. Here you ll find links to all algebra formulas on this page.
Tips cost of meals tip rate. Algebra class e course members. Remember that arithmetic is the manipulation of numbers through basic math functions. Commission cost of service commission rate.
Y 2x 5 with a 2 and b 5 y 3x 2 with a 3 and b 2 and y 4x 1 with a 4 and b 1 are other examples of linear equations. Show answer show step by step. 3y 2 10 show step by step solutions. Hide answer show step by step.
Therefore add 9 to both sides. 15 5x 0.