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3-72 Solve these equations, belng careful to record your work. After solvIng each equatlon, be cure to check your solutlon, If posclble. A Explanation Original Left Right 3x + 4 x +8 Explanation Original Left Right 4-2y y+ 10 Right -(x +8) Explanation Original Left 5x + 4-2x || |||

3-72 Solve these equations, belng careful to record your work. After solvIng each equatlon, be cure to check your solutlon, If posclble. A Explanation Original Left Right 3x + 4 x +8 Explanation Original Left Right 4-2y y+ 10 Right -(x +8) Explanation Original Left 5x + 4-2x || |||

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 40RE
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3-72 Solve these equations, belng careful to record your work. After solvIng each equatlon, be sure to check your solution, If posslble. Explanation Original Left Right 3x +4 x +8 Explanation Original Left Right 4-2y y+ 10 %3D Explanation Original Left Right 5x+ 4-2x -(x+8) | I
Transcribed Image Text:3-72 Solve these equations, belng careful to record your work. After solvIng each equatlon, be sure to check your solution, If posslble. Explanation Original Left Right 3x +4 x +8 Explanation Original Left Right 4-2y y+ 10 %3D Explanation Original Left Right 5x+ 4-2x -(x+8) | I
3.2.1 How can I check my answer? Solving Equations and Checking Solutlons 3-70 Ucing an Equatlon Mat and tles or the student eTool, set up your mat as shown. Solve the equatlon one step at a time. Every time you make a step, record your work on the table. Explanation Original Left Right With your partner, find a way to check If your colutlon Is correct. 3-71 In this lesson you have found a solutfon to an algebralc equatlon. But what exaotly Is a colutlon? Answer each of these quections with your study team, but do not use algebra tilec. Be prepared to Justify your answers. a. Preston colved the equatlon 3x - 2 =8 and got the solutlon x = 100. Is he correct? How do you know? b. Edwin solved the equaton 2x + 3-x = 3x-5 and got the colutlon x = 4. Is he correct2 How do you o. Wrlte a desoriptlon of what a solutlon to an equatlon Is.
Transcribed Image Text:3.2.1 How can I check my answer? Solving Equations and Checking Solutlons 3-70 Ucing an Equatlon Mat and tles or the student eTool, set up your mat as shown. Solve the equatlon one step at a time. Every time you make a step, record your work on the table. Explanation Original Left Right With your partner, find a way to check If your colutlon Is correct. 3-71 In this lesson you have found a solutfon to an algebralc equatlon. But what exaotly Is a colutlon? Answer each of these quections with your study team, but do not use algebra tilec. Be prepared to Justify your answers. a. Preston colved the equatlon 3x - 2 =8 and got the solutlon x = 100. Is he correct? How do you know? b. Edwin solved the equaton 2x + 3-x = 3x-5 and got the colutlon x = 4. Is he correct2 How do you o. Wrlte a desoriptlon of what a solutlon to an equatlon Is.
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