6c-3=c-12 what solution is this one sloution, no solution or infinite solution show your work and explain

Three times the sum of a number and seven is negative thirty-six. what is the number?

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol