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Solve this system of linear equations. Separate the x- and y-values with a comma. - 10x + 2y = -28 -13x + 3y = -40

Solve this system of linear equations. Separate the x- and y-values with a comma. - 10x + 2y = -28 -13x + 3y = -40
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Solve this system of linear equations. Separate

the x- and y-values with a comma.
- 10x + 2y = -28
-13x + 3y = -40

User Nello
by
8.2k points

1 Answer

2 votes

Answer:


- 10x + 2y = - 28 - - - (a) \\ - 13x + 3y = - 40 - - - (b) \\ 3 * (a) - 2 * (b) : \\ - 4x + 0y = - 4 \\ x = 1 \\ ( - 10 * 1) + 2y = - 28 \\ 2y = - 18 \\ y = -9

answer: ( 1, -9 )

User MarkSouls
by
7.9k points
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