Register

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations
96.7k views
4 votes
Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations-example-1
User Xiaozou
by
7.4k points

2 Answers

3 votes

Answer:

Explanation:

32

User Ooberdan
by
7.8k points
3 votes

Answer:

x=8 and y= -9

Explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8

User George Lund
by
7.9k points
← Prev Question Next Question →

Related questions

User Mwaskom
asked Jul 27, 2024 118k views
4x+3y=-23and-x+y=-8 algebra elimination
Mwaskom asked Jul 27, 2024
by Mwaskom
8.7k points
1 answer
2 votes
118k views
User Bernhard Koenig
asked Dec 18, 2016 125k views
Explain how place value be used to find the difference of 4.23and 2.75.
Bernhard Koenig asked Dec 18, 2016
by Bernhard Koenig
7.9k points
2 answers
4 votes
125k views
User Baconwichsand
asked Jul 1, 2016 67.9k views
Find a number less than 19 that has more factors than 19,21,23and 25
Baconwichsand asked Jul 1, 2016
by Baconwichsand
8.1k points
1 answer
0 votes
67.9k views
Ask a Question
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

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
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?
Link Copied!