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-2=8+x

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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lange division mit rest 12119

Solution

6 Rest 7

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One step at a time

[

x+2z=8

x−2y−2z=4

2x+5y−6z=6

]

Stelle x nach x+2z=8 um: x=8−2z

Ersetze x=8−2z

[

8−2z−2y−2z=4

2(8−2z)+5y−6z=6

]

Vereinfache

[

−4z−2y+8=4

−10z+5y+16=6

]

Stelle z nach −4z−2y+8=4 um: z=−y−22

Ersetze z=−y−22

[

−10(−y−22 )+5y+16=6

]

Vereinfache

[

10y+6=6

]

Stelle y nach 10y+6=6 um: y=0

Für z=−y−22

Ersetze y=0

z=−0−22

−0−22 =1

z=1

Für x=8−2z

Ersetze y=0, z=1

x=8−2· 1

Vereinfache

x=6

Die Lösungen für das Gleichungssystem sind:

x=6, y=0, z=1

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

-2=8+x

Solution

Solution steps

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