Register
What is the solution to the system of equations? Use the substitution method. {y=−2x+5 3x−4y=2
76.8k views
1 vote
What is the solution to the system of equations? Use the substitution method. {y=−2x+5 3x−4y=2

User Tghw
by
7.0k points

2 Answers

4 votes

image
User AlexTa
by
8.1k points
5 votes
we have that
y=−2x+5 --------> equation 1
3x−4y=2---------> equation 2
substituting 1 in 2
3x-4*(-2x+5)=2--------> 3x+8x-20=2--------> 11x=22-----> x=2
y=-2x+5-----> -2*2+5-----> y=1

the solution is
x=2
y=1
User Gheorghe Graur
by
8.0k points
← Prev Question Next Question →

Related questions

User Mark Petronic
asked Nov 17, 2019 97.0k views
SOLVE THE SYSTEM OF EQUATIONS −2x+6y=−38 3x−4y=32
Mark Petronic asked Nov 17, 2019
by Mark Petronic
7.4k points
2 answers
5 votes
97.0k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!