Răspuns :
a.) 11 (x- 4)= -88
11x-44= -88 /+44
11x= -44 / :11
x= -44/11 => -4
b.) 3(x+5)=4(2x-15)
3x+15=8x-60 /-3x
15= 5x-60 /+60
75=5x /:5
x=15
c.) 3(-x+4)=-9
-3x+12=-9
-3x=-21 / : (-3)
x=7
restul incearca sa le faci singur ;) succes :3
11x-44= -88 /+44
11x= -44 / :11
x= -44/11 => -4
b.) 3(x+5)=4(2x-15)
3x+15=8x-60 /-3x
15= 5x-60 /+60
75=5x /:5
x=15
c.) 3(-x+4)=-9
-3x+12=-9
-3x=-21 / : (-3)
x=7
restul incearca sa le faci singur ;) succes :3