Resolva as equações :
a) 3(x+1)=4
b) 2(x+2)=6
c)5(x+3)=5
d)8(x+1)=18
e)2(x+1)=7
f)3(x+4)=1
g)3(x+7)=4
h) 3(x+1)=4
Soluções para a tarefa
Respondido por
1
a) 3(x+1)= 4
3x + 3 = 4
3x = 4 - 3
3x = 1
x = 1/3
b) 2(x+2)= 6
2x + 4 = 6
2x = 6 - 4
2x = 2
x = 2/2
x = 1
c) 5(x+3)=5
5x + 15 = 5
5x = 5 - 15
5x = - 10
x = -10/5
x = -2
d) 8(x+1)= 18
8x + 8 = 18
8x = 18 - 8
8x = 10
x = 10/8
e) 2(x+1)=7
2x + 2 = 7
2x = 7 - 2
2x = 5
x = 5/2
f) 3(x+4)= 1
3x + 12 = 1
3x = 1 - 12
3x = -11
x = -11/3
g) 3(x+7)=4
3x + 21 = 4
3x = 4 - 21
3x = 17
x = 17/3
h) 3(x+1)=4
3x + 3 = 4
3x = 4 - 3
3x = 1
x = 1/3
3x + 3 = 4
3x = 4 - 3
3x = 1
x = 1/3
b) 2(x+2)= 6
2x + 4 = 6
2x = 6 - 4
2x = 2
x = 2/2
x = 1
c) 5(x+3)=5
5x + 15 = 5
5x = 5 - 15
5x = - 10
x = -10/5
x = -2
d) 8(x+1)= 18
8x + 8 = 18
8x = 18 - 8
8x = 10
x = 10/8
e) 2(x+1)=7
2x + 2 = 7
2x = 7 - 2
2x = 5
x = 5/2
f) 3(x+4)= 1
3x + 12 = 1
3x = 1 - 12
3x = -11
x = -11/3
g) 3(x+7)=4
3x + 21 = 4
3x = 4 - 21
3x = 17
x = 17/3
h) 3(x+1)=4
3x + 3 = 4
3x = 4 - 3
3x = 1
x = 1/3
Respondido por
1
A) x= 1/3
B) x= 2
C) x= -2
D) x= 10/8
E) x= 5/2
F) x= -11/3
G) x= 17/3
H) x= 1/3
B) x= 2
C) x= -2
D) x= 10/8
E) x= 5/2
F) x= -11/3
G) x= 17/3
H) x= 1/3
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