Mathematics
Senior High
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ๆ•ฐ1ใงใ™๐Ÿ™Œ๐Ÿป
ไธ็ญ‰ๅผ| 4x+2 | ๏ผœ 11 ใ‚’ๆบ€ใŸใ™ๆ•ดๆ•ฐxใฎๅ€‹ๆ•ฐใฎๆฑ‚ใ‚ๆ–นใ‚’ๆ•™ใˆใฆใใ ใ•ใ„ใ€ใŠ้ก˜ใ„ใ—ใพใ™๐Ÿ™๐Ÿป

Answers

โœจ Best Answer โœจ

|4x+2|<11
๏ผ11<4x+2<11
๏ผ13<4x<9
-13/4<x<9/4
-3.25<x<2.25
ใ“ใ‚Œใ‚’ๆบ€ใŸใ™ๆ•ดๆ•ฐใฏ
-3,-2,-1,0,1,2ใฎ6ๅ€‹

AZ

|x|<aโ‡”-a<x<a
|x|>aโ‡”x<๏ผaใ€a<x

็‘  ่กฃ.

ๆœ‰้›ฃใ†ๅพกๅบงใ„ใพใ™๐Ÿ™๐Ÿป
ๅŠฉใ‹ใ‚Šใพใ—ใŸใ€‚

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