-37+n=-56 for n how do I solve this

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

When y’all answer can y’all explain too !

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?