how to solve multi step equations with fractions and variables Brian McLogan 1 42M subscribers 3 2K 272K views 12 years ago All Solve Linear Equations Learn how to solve multi step equations with variable on both sides of the
To solve multi step equations with fractions you can multiply each term by the least common denominator to eliminate the fractions first To check the solution simply substitute the value into the variable to see if the equation is true The general rule for solving equations with fractions whether it be only on one side or both is to try to get rid of all of them The most common way to find the lowest common multiple LCM of all of the fractions and then multiply
how to solve multi step equations with fractions and variables
how to solve multi step equations with fractions and variables
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Quiz Unit test Equations with variables on both sides Learn Intro to equations with variables on both sides Equations with variables on both sides 20 7x 6x 6 Equation with variables on both sides fractions Equation with the variable in To solve for a variable in a two step linear equation we first isolate the variable by using inverse operations addition or subtraction to move like terms to differ more Learn how to
The main goal in solving multi step equations just like in one step and two step equations is to isolate the unknown variable on one side of the equation while keeping the constant or number on the opposite side Solve Multi Step Equations Involving Fractions Figure 2 4 3 1 2 4 3 1
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Solution 2 x 1 x 5 2x 2 x 5 use distributive property x 2 5 combine like terms x 2 2 5 2 x 3 How to solve multi step equations by combining like terms and using the distributive property Examples 4x 2x 3x 27 4a 1 a 19 4 y 1 36 16 2 x 1 x Show Video Lesson Example 2 4 5 4 Solve for x 23 3x 9 14 2x 5 Solution 23 3x 9 63x 183 14 2x 5 24x 54 Apply the distributive property Find the LCD for 3 3 and 4 4 Since it is 12 multiply the first two fractions by 44 and the second two fractions by 33 to get the same denominator
How to Solve Multi Step Equations With Fractions If a multi step equation has fractions then we can eliminate all fractions first by multiplying each term on both sides by LCD of all denominators Then we can just apply the inverse operations and solve for the variable What are the 4 Steps of Multi Step Equations To solve multi step equations Solution To undo adding 2 3 subtract 2 3 from both sides of the equation and simplify x 2 3 3 5 Original equation x 2 3 2 3 3 5 2 3 Subtract 2 3 from both sides x 3 3 5 3 2 5 3 5 Equivalent fractions LCD 15 x 9 15 10 15 Simplify x 19 15 Subtract
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how to solve multi step equations with fractions and variables - The main goal in solving multi step equations just like in one step and two step equations is to isolate the unknown variable on one side of the equation while keeping the constant or number on the opposite side