elimination x+z=1, x+2z=4

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x+z=1, x+2z=4

Solution

x=−2, z=3

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Solve by:

Solve by elimination

Solve by substitution

Solve by Cramer's rule

Solve by Gaussian elimination

One step at a time

[

x+z=1

x+2z=4

]

Subtract the equations

x+2z=4

−

x+z=1

z=3

[

x+z=1

z=3

]

For x+z=1 plug in z=3

Solve x+3=1 for x: x=−2

The solutions to the system of equations are:

x=−2, z=3

System of Equations Elimination Examples

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היי, לשאול שאלה לגבי x+z=1,x+2z=4 או בחר מבין האפשרויות למטה

פתור על ידי: substitution

פתור על ידי: Cramer's rule

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

elimination x+z=1, x+2z=4

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