3 years ago

The sum of a number and -16 is 25. Find the number.

Mathematics

2 answers:

Serggg [28]3 years ago

6 0

Answer:

$\huge{ \fbox{ \sf{41}}}$

Step-by-step explanation:

$\star{ \sf{ \: Let \: the \: missing \: number \: be \: x}}$

Create an equation

$\sf{x + ( - 16) = 25}$

$\mapsto{ \sf{x - 16 = 25}}$

Move 16 to right hand side and change it's sign

$\mapsto{ \sf{x = 25 + 16}}$

Add the numbers : 25 and 16

$\mapsto{ \sf{x = 41}}$

The number is 41

Hope I helped!

Best regards! :D

~TheAnimeGirl

geniusboy [140]3 years ago

3 0

Answer:

Step-by-step explanation:

n+(-16)=25

n-16=25

Add 16 to both sides to isolate the variable

n=41

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