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Popular >

x+y=2,2x+y=0

Solution

x + y = 2, 2 x + y = 0

Solution

x = - 2, y = 4

Solution steps

[x + y = 2 2 x + y = 0]

Isolate

x

for

x + y = 2 : x = 2 - y

Substitute

x = 2 - y

[2 (2 - y) + y = 0]

Simplify

[4 - y = 0]

Isolate

y

for

4 - y = 0 : y = 4

For

x = 2 - y

Substitute

y = 4

x = 2 - 4

Simplify

x = - 2

The solutions to the system of equations are:

x = - 2, y = 4

Popular Examples

-3x+7y=-16,-9x+5y=16

- 3 x + 7 y = - 16, - 9 x + 5 y = 16

-5x+7y=-25,6x-y=-7

- 5 x + 7 y = - 25, 6 x - y = - 7

3x+y+2z=6,-x+2y-5z=8,4x+6y+z=9

3 x + y + 2 z = 6, - x + 2 y - 5 z = 8, 4 x + 6 y + z = 9

5 x - y = 3, 4 x + 6 y = 2

x-3y=-5,3x-7y=-13

x - 3 y = - 5, 3 x - 7 y = - 13

Frequently Asked Questions (FAQ)

What is x+y=2,2x+y=0 ?
The solution to x+y=2,2x+y=0 is x=-2,y=4