Question

Solve system of equations by elimination. Show all your steps.

- 3x + 5y = -11
3x + 7y = -1

Answer 1

x and y = (2,-1)

Explanation:

3x + 5y = -11

3x = -1 - 7y

-(-1 - 7y) + 5y = -11

y = -1

3x=-1-7x(-1)

x = 2

(x,y) = (2,-1)

-3x2+5x(-1) = -11

3x2+7x (-1) = -1

-11 = -11

-1 = -1

solution

x and y = (2,-1)