Question

3x + 2y = 2

-2x + y = 8
Solve the system of equations.
A) (-2,4)
B) (4,-2)
C) (-4,-2)
D) (
5
4
, -
1
2
)
Eliminate

Answer 1

x=-2, y=4. (-2, 4).

Explanation:

3x+2y=2

-2x+y=8

--------------

y=8-(-2x)

y=8+2x

y=2x+8

---------------

3x+2(2x+8)=2

3x+4x+16=2

7x+16=2

7x=2-16

7x=-14

x=-14/7

x=-2

3(-2)+2y=2

-6+2y=2

2y=2-(-6)

2y=2+6

2y=8

y=8/2

y=4