Find the solution to the system by the substitution method. Check your answer. -x+7y = - 20 (1) (2) Зх - у 20 The solution is. (Type an ordered pair.)

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.1: The Graphing Method
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Find the solution to the system by the substitution method. Check your answer.
-x+7y = - 20
(1)
Зх - у %3D 20
(2)
The solution is.
(Type an ordered pair.)
Enter your answer in the answer box and then click Check Answer.
All parts showing
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Transcribed Image Text:4.1.17 Assigned Media Skill Builder Question Help v Find the solution to the system by the substitution method. Check your answer. -x+7y = - 20 (1) Зх - у %3D 20 (2) The solution is. (Type an ordered pair.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer
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