How do you solve 4 /( y-1) + 2/3 = 6 /( y-1)?

1 Answer
Apr 15, 2018

y=cancel1, y=4

Explanation:

common denominator
(3/3)(4/(y-1)) + ((y-1)/(y-1))(2/3) = (3/3)(6/(y-1))

12/(3(y-1)) + (2(y-1))/(3(y-1)) = 18/(3(y-1))

(12+2y-2)/(3(y-1)) = 18/(3(y-1))

(2y + 10)/(3(y-1)) = 18/(3(y-1))

(2y+10)(3y-3) = 18(3y-3)

6y^2 + 24y -30 = 54y - 54

6y^2 +24y- 54y -30 +54 = 0

6y^2 - 30y +24 = 0

(3y-3)(2y-8)

y=1, y=4