Asked by Ayomide
Simultaneous equation substitution method x+y=3 and 5x_5y=1
Answers
Answered by
bettermathhelper
If anyone needs help from me please note that my skill level is 8th grade and less.
Answered by
Anonymous
assume you mean
x+y=3 and 5x-5y=1
so you can say y = 3 - x and substitute that in the second equation
5 x - 5 (3-x) = 1
5 x - 15 + 5 x = 1
10 x = 16
x = 1.6
then y = 3 - 1.6 = 1.4
===================
check
============
5 x = 8
5 y = 7
sure enough 8 - 7 = 1
x+y=3 and 5x-5y=1
so you can say y = 3 - x and substitute that in the second equation
5 x - 5 (3-x) = 1
5 x - 15 + 5 x = 1
10 x = 16
x = 1.6
then y = 3 - 1.6 = 1.4
===================
check
============
5 x = 8
5 y = 7
sure enough 8 - 7 = 1
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.