👤
Aloc
a fost răspuns

1. Rezolvați ecuațiile:
a) -- 2x = 8;
c) 4x - 10 = -30;
e) - 4x - 5 = 6x +15
g) -2x+5=-6.
b) - 9x+1=10;
d) 45 : 5x = -9;
f) - 4x + 9 = 6x-1
-

Răspuns :

A) x=4
C) x=10
E) x=2
G) x=0,5
B) x=1
D)x=1
F)x=5
a) x=8:-2x
X=-4
C) 4x=-10+-30
4x=-40
x=-40:4
x=-10
E)-4x-6x=5+15
-10x=20
x=20:-10x=-2
G)-2x=-6-5
-2x=-11
B)-9x=10-1=9
X=1
D)5x=45: -9=-5
X=1
F)-4x-6x=-9-1
-10x=-10
X=-10:-10=1

Alte intrebari