Question

-3(y-2)+4(y+2)= 5(x-y-1)-4(x+2)=
-2x(8-x)-5(x²+3x)=
5(3-2x)-(4x+6)×3=

Answer 1

1. 6 y + 11 = x
2. 31 x - 3x do 2kwadratu
3 . 33 - 22 x

Answer 2

-3(y-2)+4(y+2)= -3y+6+4y+8
5(x-y-1)-4(x+2)=5x-5y-5-4x-8
-2x(8-x)-5(x²+3x)=-16x+2x-5x²-15x
5(3-2x)-(4x+6)×3=15-10x-4x-6×3

Answer 3

Równanie 1.
-3y+6+4y+8=y+14
równanie2.
5x-5y-5-4x-8=x-5y-13
równanie3.
-16x+2xkwadrat-5xkwadrat-15x=-31x-3xkwadrat
równanie4.
15-10x-(12x+18)=15-10x-12x-18=-22x-3