Question

Упростите: 5/6 * (4,2x - 11/5y) - 5,4 * (2/9x - 1,5y)

Answer 1

 5/6 * (4,2x - 1 1/5y) - 5,4 * (2/9x - 1,5y) = 3,5x - y - 1,2x + 8,1y = 2,3x + 7,1y