# Solve Algebra Problems For Me

In most cases, do the addition or subtraction step first.Knowing Your Objectives in Algebra Applying the Order of Operations Working With Variables Solving Algebra Problems with Inverse Operations Building a Strong Base for Learning Show 2 more... Article Summary Questions & Answers Related Articles This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.If we use the method of addition in solving these two equations, we can see that what we get is a simplified equation in one variable, as shown below.

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After multiplication, we get 2x 4y = 30 ------(2)' Next we subtract this equation (2)’ from equation (1) 2x – y = 10 2x 4y = 30 –5y = –20 y = 4 Putting this value of y into equation (1) will give us the correct value of x.

2x – y = 10 ------(1) 2x – 4 = 10 2x = 10 4 = 14 x = 14/2 = 7 Hence (x , y) =( 7, 4) gives the complete solution to these two equations.

So simple addition and subtraction will not lead to a simplified equation in only one variable.

However, we can multiply a whole equation with a coefficient (say we multiply equation (2) with 2) to equate the coefficients of either of the two variables.

Next we present and try to solve the examples in a more detailed step-by-step approach.

Examples given next are similar to those presented above and have been shown in a way that is more understandable for kids.Directions: Select the algebraic equation that correctly represents the given sentence. Feedback to your answer is provided in the RESULTS BOX. When solving a simple equation, think of the equation as a balance, with the equals sign (=) being the fulcrum or center.In this method, we evaluate one of the variable value in terms of the other variable using one of the two equations.And that value is put into the second equation to solve for the two unknown values.You just have to follow the order for completing parts of the equation and keep your work organized to avoid mistakes!In solving these equations, we use a simple Algebraic technique called "Substitution Method".In this example, we see that the coefficients of all the variable are same, i.e., 1.So if we add the two equations, the –y and the y will cancel each other giving as an equation in only x. x – y = 10 x y = 15 2x = 25 x = 25/2 Putting the value of x into any of the two equations will give y = 5/2 Hence (x , y) = (25/2, 5/2) is the solution to the given system of equations. How much money does she need to buy a game that costs ?Solution: Let x represent the amount of money Jeanne needs.

## Comments Solve Algebra Problems For Me

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