👤

ecuatiile
a)11x-55+5x-20=-(87)
b)11(x-5)+5(x-4)=-/87
c)10(x-3)-3(x-3)=-42
d)4(x+2)+2(x-11)=22
e)11×(5x+5)=-7(5x+6)+97
f)6(6x-6)=9×(6x-2)-36
ajutatima pliz!!!!!!!!!!!!


Răspuns :

a)16x-50=-87 16x=-23 x=-23/16 b)11x-55+5x-20=-87 16x-75=-87 16x=-12 x=12/16=3/4 c)10x-30-3x+9=-42 7x=-42+21 7x=-21 x==21/7= 3 d)4x+8+2x-22=22  6x-14=22 6x=36 x=36/6=6e)55x^2+55x=-35x-42+97  55x^2+90x-55f)36x-36=54x^2-18x-36 54x^2+54x-72