5 y 1 )= 3y 7 July 8, 2019 16 32 64 128 5y 1 3y 7 5 y 4 )+ 1 3y 7 5y 1 3y 7 90 7 y 5 2y 1 3y Solve 7 y 5 2y 1 3y Solve 7 y 5 2y 1 3y check your solution 5 y + 3 y - 1 3 = 1 1 1 7 * y = 1 53