4×(8\div((-16)+20))-15

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

simplify solve for inverse tangent line

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4× (8÷ ((−16)+20))−15

Solution

−7

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Solution steps

One step at a time

4× (8÷ ((−16)+20))−15

Follow the PEMDAS order of operations

Calculate within parentheses (8÷ ((−16)+20)) : 2

=4× 2−15

Multiply and divide (left to right) 4× 2 : 8

=8−15

Add and subtract (left to right) 8−15 : −7

=−7

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

4×(8\div((-16)+20))-15

Solution

Solution steps

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