Question

Express the equation 3x + 5y + 15 = 0 in the form such that:
a. x is subject to the formula
b. y is dependent variable and x is independent variable.

Answer 1

a) 3x + 5y + 15 = 0
3x = -5y - 15

x = `(-5y - 15)/(3)`

x = `((-5)/3)y - 5`.
b) 3x + 5y + 15 = 0
5y = -3x - 15

y = `(-3x - 15)/(5)`

y = `((-3)/5) x - 3`.