Răspuns:
5x+9+6x-3-2x-24=0
9x-18=0
9x=18
x=18/9
x=2
b) 7x+8-2x+10-6-2x-6=0
3x-6=0
3x=6
x=6:3
x=2
c) 4x+7+5x+15-2x-1=0
7x+21=0
7x=-21
x=-21:3
x=-7
d)?
e) 3x+9+6-2x-4-2x-10=0
-x+1=0
-x=-1/*-1
x=1
f) 10x-6+4x-21+6x-15x-5-8=0
5x-40=0
5x=40
x=40:5
x=8
g) 10x-15+15x-18+13-24x-56+63=0
x-13=0
x=13
h) 28x-21-12x-32+25-12x-27+43=0
4x-12=0
4x=12
x=12:4
x=3
i) 12x-15-6x-21+32-4x-2-14=0
2x-20=0
2x=20
x=20:2
x=10
j) 6x+18-3x-3+5+3x+4x+10=0
10x=30
x=30:10
x=3
Explicație pas cu pas: