122k views
4 votes
Use the substitution method to solve the system of equations

3x+2y=13

y=x-1

User Valik
by
8.0k points

1 Answer

6 votes

Answer:


x=3\\y=2

Explanation:


3x+2y=13\\y=x-1

Solve for
y=x-1 for y:


y=x-1

Substitute
x-1 for y in
3x+2y=13:


3x+2y=13


3x+2(x-1)=13\\


5x-2=13


5x=13+2


5x=15


x=15/5


x=3

Substitute 3 for x in
y=x-1:


y=x-1


y=(3)-1


y=2


x=3 and
y=2

hope this helps...

User Scaramallion
by
7.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories