37 -5=-8(6 + 5n) part (a, b,c, d) proof

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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