218k views
16 votes
У + 4 = 3х
— 2х + 5 = 19
How to solve this

User Bunkus
by
8.4k points

1 Answer

1 vote

Answer:

x=-7, y=-25

Explanation:

I will name your equations as follows:

  1. у + 4 = 3х
  2. — 2х + 5 = 19

Start with equation 2 and solve for x. This is a two-step equation.


-2x+5=19\\-2x=14\\x=-7

Then, plug in your solution to equation 1:


y+4=3(-7)\\y+4=-21\\y=-25

User CnrL
by
8.5k points

Related questions

1 answer
1 vote
84.0k views
asked Aug 2, 2021 24.4k views
Ash Catchem asked Aug 2, 2021
by Ash Catchem
8.4k points
2 answers
0 votes
24.4k views
asked Feb 20, 2021 37.9k views
Gabe Halsmer asked Feb 20, 2021
by Gabe Halsmer
8.0k points
1 answer
5 votes
37.9k views