Question

Resolva as equações do primeiro grau:

1)-x+14=-5
2)x+14=-18
3)2x+4=-16
4)-5x+10=-30
5)-6x+6=-30

Answer 1

1) -x+14=-5
-x=-5-14
-x=-19
x=19
2) x+14=-18
x=-18-14
x=-32
3)2x+4=-16
2x=-16-4
2x= -20
X= -10
4)-5x +10=-30
-5x=-30-10
-5x= -40
x=8
5)-6x+6=-30
-6x=-30-6
-6x=-36
X=+6