Question

Срочно !!!!!!!!! Пожалуйста!

Answer 1

5y = 2 - x
y = (2 - x)/5
2x - ((2-x)/5)-2) = 5
2x - ( 2/5 - x/5 - 2) - 5 = 0
2x + 8/5 + x/5 - 25/5 = 0
2x + x/5 = 17/5
10x/5 + x/5 = 17/5
10x + x = 17
11x = 17
x = 17/11
x = 1 6/11
Вроде как так)