Question

5x + 2y = -10
3x + y = 66

please show work

Answer 1

1- 5x+2y+−2y=−10+−2y

5x=−2y−10

`(5)/(5)`=
`(-2y-10)/(5)`

x=
`(-2)/(5)y-2`

2- 3x+y+−y=66+−y

3x=−y+66

`(3x)/(3) = (-y+66)/(3)`

`x=(-1)/(3)y+22`

Explanation:

This is the answers :)

Answer 2

x=142, y=-360. (142, -360).

Explanation:

5x+2y=-10

3x+y=66

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5x+2y=-10

-2(3x+y)=-2*66

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5x+2y=-10

-6x-2y=-132

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-x=-142

x=142

3(142)+y=66

426+y=66

y=66-426

y=-360