Question

Найдите корни уравнений ​

Answer 1

Ответ:

1) 2.6a-0.6a+1.8=1a-3

2a-1a=-3-1.8

a=-4.8

2)-1.2y+1.8-3.6+0.4y=-0.3y+2.7

-0.8y+0.3y=2.7+1.8

-0.5y=4.5

y=-9