Register
4x=3y+23 4y+3x=-19 solve by substitution. No files pls
218k views
5 votes
4x=3y+23
4y+3x=-19
solve by substitution. No files pls

User Yanire
by
4.7k points

1 Answer

0 votes

Answer:

x = ⁷/₅

y = ⁻²⁹/₅

Explanation:

4x = 3y + 23 (×3)

12x = 9y + 69

4y + 3x = -19

3x = -4y - 19 (×4)

12x = -16y - 76

∴ 9y + 69 = -16y - 76

25y = -145

y = ⁻²⁹/₅

12x = 9(⁻²⁹/₅) + 69

12x = 69 - ²⁶¹/₅

12x = ⁸⁴/₅

x = ⁷/₅

User DaveGreen
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.3m questions

5.6m answers

Other Questions

Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey
Please answer asap.......... ...
What value of x makes the following true? 2(x + 10) = 4( 2x - 1)
The endpoints of line AB are A(−9,−1) and B(−3,7). Find the coordinates of the midpoint M.
Help me pls i want to pass my math class
Link Copied!