Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place. −0.2x + 0.3y + 0.4z − t = 4.4 2.2x + 1.1y − 4.7z + 2t = 9.8 9.2y − 1.3t = 7.2 3.4x + 0.5z − 3.4t = −0.8
Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place. −0.2x + 0.3y + 0.4z − t = 4.4 2.2x + 1.1y − 4.7z + 2t = 9.8 9.2y − 1.3t = 7.2 3.4x + 0.5z − 3.4t = −0.8
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section6.3: Elimination Using Addition And Subtraction
Problem 26PPS
Related questions
Question
Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place.
−0.2x | + | 0.3y | + | 0.4z | − | t | = | 4.4 | |
2.2x | + | 1.1y | − | 4.7z | + | 2t | = | 9.8 | |
9.2y | − | 1.3t | = | 7.2 | |||||
3.4x | + | 0.5z | − | 3.4t | = | −0.8 |
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