SOLUTION: Solve using the substitution method
x + y = -4
y = -3x + 2
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Question 170330This question is from textbook Introductory Algebra
: Solve using the substitution method
x + y = -4
y = -3x + 2
This question is from textbook Introductory Algebra
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
, EQN 1
, EQN 2
In EQN 1, we get , EQN 3 ---> subst. in EQN 2
, combine similar terms
---->
,
Subst. in EQN 1
See graph
---> see point of intersection (3,-7)
.
Thank you,
Jojo
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