For the following system, if you isolated y in the first equation to use the Substitution Method, what expression would you substitute into the second equation?
2x + y = 8
−x − y = −5
8 + 2x
8 − 2x
−8 − 2x
−8 + 2x
Resolved Question
Show me another »For the following system, if you isolated y in the first equation to use the Substitution Method, what express?
Best Answer - Chosen by Voters
2x + y = 8
-x - y = -5
y = 8 - 2x
-x - (8 - 2x) = -5
x = 3
y = 2
-x - y = -5
y = 8 - 2x
-x - (8 - 2x) = -5
x = 3
y = 2
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Other Answers (2)
- 2x + y = 8
2x - 2x +y = 8 - 2x
y = 8 - 2x0% 0 Votes - 8 − 2x0% 0 Votes
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