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

Question

Solve each system using substitution.

HELP
3.

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

4.

`- 7x + 2y = 18 \\ 6x + 6y = 0`
​

Answer 1

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