323,471 views
21 votes
21 votes
Please help solve!! i need my work need to me shown so please help me! ❤️

X + Y = 4
2x - 3Y = 6
Substitution or Elimination?

Please help solve!! i need my work need to me shown so please help me! ❤️ X + Y = 4 2x-example-1
User Abrahab
by
2.9k points

1 Answer

13 votes
13 votes

Answer:

(x, y) = (18/5, 2/5)

Explanation:

x + y = 4

x = 4 - y

2x - 3y = 6

Substitution x

2x - 3y = 6

2(4 - y) - 3y = 6

8 - 2y - 3y = 6

-5y = 6 - 8

-5y = -2

y = 2/5

Substitution y

x = 4 - y

x = 4 - 2/5

x = 20/5 - 2/5

x = 18/5

(x, y) = (18/5, 2/5)

User Miguelmalvarez
by
2.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.