Question

помогите решить пожалуйста...

Answer 1

-2x + 16= 5x -19
-2x - 5x = -16 -19
-7x =-35
x = 35/7
x = 5


25 -3b = 9 -5b
-3b +5b = 9 -25
2x = -16
x = -16/2
x = -8


3 + 11y = 203 +y
11y -y = 203 -3
10y = 200
y = 200/10
y = 20