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8 kids were on a bus 2 left how many kids are there now?

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

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(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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Steps Examples

Generated by AI

x+y+z=25, 5x+3y+2z=0, y−z=6

Solution

x=−1315 , y=1435 , z=1135

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Solve by:

بالاستعانة بطريقة التعويض

بالاستعانة بطريقة العزل

Solve by Cramer's rule

Solve by Gaussian elimination

One step at a time

[

x+y+z=25

5x+3y+2z=0

y−z=6

]

y−z=6 في y اعزل: y=6+z

y=6+z استبدل

[

x+6+z+z=25

5x+3(6+z)+2z=0

]

بسّط

[

x+6+2z=25

5x+18+5z=0

]

x+6+2z=25 في x اعزل: x=−2z+19

x=−2z+19 استبدل

[

5(−2z+19)+18+5z=0

]

بسّط

[

−5z+113=0

]

−5z+113=0 في z اعزل: z=1135

x=−2z+19 في

z=1135 استبدل

x=−2· 1135 +19

−2· 1135 +19=−1315

x=−1315

y=6+z في

x=−1315 , z=1135 استبدل

y=6+1135

6+1135 =1435

y=1435

:حلول منظومة المعادلات هي

x=−1315 , y=1435 , z=1135

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

8 kids were on a bus 2 left how many kids are there now?

Solution

Solution steps

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