183k views
2 votes
X+y=12
x-y=2



plz plz I need answer using substitution method

2 Answers

4 votes

Answer:

  • x = 7
  • y = 5

Step-by-step explanation:

Hello!

{x + y = 12 __ {x = 12 - y

{x - y = 2 {12 - y - y = 2

{x = 12 - y __ {x = 12 - y

{12 - 2y = 2 {-2y = 2 - 12

{x = 12 - y __ {x = 12 - y

{-2y = -10 {y = 5

{x = 12 - 5 __ {x = 7

{y = 5 {y = 5

Success! ☺️

User Vaab
by
7.7k points
1 vote

Explanation:

substitute first equation into second one

X+y=12 x-y=2 plz plz I need answer using substitution method-example-1
User Carmenism
by
8.8k 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