A) 1 - 8(3 - 2y) = 2(1 - 2y)1 - 24 + 16y = 2 - 4y-23 + 16y = 2 - 4y16y + 4y = 2 + 2320y = 25y = 25/20y = 1.25
б) (y - 2)(y + 3) - (y - 2)^2 = 5(y^2 + 3y - 2y -6) - (y^2 - 4y + 4) = 5(y^2 + y - 6) - (y^2 - 4y + 4) = 5y + 4 - 5 = 5y - 1 = 5y = 5 + 1y = 6
A) 1 - 8(3 - 2y) = 2(1 - 2y)
1 - 24 + 16y = 2 - 4y
-23 + 16y = 2 - 4y
16y + 4y = 2 + 23
20y = 25
y = 25/20
y = 1.25
б) (y - 2)(y + 3) - (y - 2)^2 = 5
(y^2 + 3y - 2y -6) - (y^2 - 4y + 4) = 5
(y^2 + y - 6) - (y^2 - 4y + 4) = 5
y + 4 - 5 = 5
y - 1 = 5
y = 5 + 1
y = 6