Solve each system using substitution. HELP 3. y = - 4x + 2 \\ y = x - 3 4. - 7x + 2y = 18 \\ 6x + 6y = 0

asked Jul 7, 2020 69.6k views

0 votes

Solve each system using substitution.

HELP
3.

$y = - 4x + 2 \\ y = x - 3$

4.

$- 7x + 2y = 18 \\ 6x + 6y = 0$

5.3k points

Please log in or register to add a comment.

5 votes

Answer:

x = 1 and y = -2

x = -2 and y = 2

Explanation:

-4x + 2 = x - 3

5x = 5

x = 1

y = -4 + 2 = -2

-21x + 6y = 54

6x + 6y = 0

27x = -54

x = -2

y = 2

Lsimonetti answered Jul 13, 2020

5.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers