I need help with this​

Nine more than four times a number is the same as one less than twice the number. find the number?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p