Question

what does this equal?
-1/5a+21=23​ ​

Answer 1

Answer:

if a= -15 ,then it's equal.

Step-by-step explanation:

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Answer 2

$\huge\bf{Answer:-}$

Supposing you want this equation to be solved for a:

we start with

$-\dfrac{a}{5}+21=23$

Subtract 21 from both sides:

$-\dfrac{a}{5}=2$

Multiply both sides by 5:

-a=10−a=10

Change sign to both sides:

a=-10a=−10