12-5x-4kx=yHow to solve?
solve for x.12−5x−4kx=yAdd -12 to both sides.−4kx−5x+12+−12=y+−12−4kx−5x=y−12Factor out variable x.x(−4k−5)=y−12Divide both sides by -4k-5.x(−4k−5) / −4k−5 = y−12 / −4k−5\(\sf \huge {\boxed{x = \dfrac{-y+12}{4k+5} }\)