Question

Exercícios complementares resolva e dê o conjunto solução
3x=15
4x=-12
7x=-21
13x=13
9x=-9
35x=-105
84=6x
21=3x
1=4x
4=x-10

Answer 1

X= 5
X= 3
X= 3
X= 1
X= -1
X= -3
X= 14
X= 7
X= 0,25
X= -2,5

Answer 2

3x=15
x=15/3
x=5
S={5}
4x=-12
x=-12/4
x=-3
S={-3}
7x=-21
x=-21/7
x=-3
S={-3}
13x=13
x=13/13
x=1
S={1}
9x=-9
x=-9/9
x=-1
S={-1}
35x=-105
x=-105/35
x=-3
S={-3}
84=6x
84/6=x
x=14
S={14}
21=3x
21/3=x
x=7
S={7}
1=4x
1/4=x
x=0,25
S={0,25}
4=x-10
4+10=x
x=14
S={14}