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elimination x+2y=2x-5, x-y=3

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x+2y=2x−5, x−y=3

Solution

x=1, y=−2

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Solve by elimination

Solve by substitution

Solve by Cramer's rule

Solve by Gaussian elimination

One step at a time

[

x+2y=2x−5

x−y=3

]

Arrange equation variables for elimination

[

−x+2y=−5

x−y=3

]

Add the equations

x−y=3

−x+2y=−5

y=−2

[

−x+2y=−5

y=−2

]

For −x+2y=−5 plug in y=−2

Solve −x+2(−2)=−5 for x: x=1

The solutions to the system of equations are:

x=1, y=−2

System of Equations Elimination Examples

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היי, לשאול שאלה לגבי x+2y=2x−5,x−y=3 או בחר מבין האפשרויות למטה

פתור על ידי: substitution

פתור על ידי: Cramer's rule

פתור על ידי: Gaussian elimination

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

elimination x+2y=2x-5, x-y=3

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