3/(x+4)= 2/(x+3)

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

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ddx

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simplify solve for inverse tangent line

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3x+4 =2x+3

Solution

x=−1

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Solution steps

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3x+4 =2x+3

Cross multiply

3x+9=2x+8

Move 9 to the right side

3x=2x−1

Move 2x to the left side

x=−1

Verify Solutions

Find undefined (singularity) points: x=−4, x=−3

Combine undefined points with solutions:

x=−1

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

3/(x+4)= 2/(x+3)

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