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TruX
@TruX
December 2019
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1- Resolva as equações a seguir:
a) 10x+ 1 = x+2
b) 2x+1 = -25x-1
c) 5x+1 = 1-x
d) x-1 = 1-x
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jjzejunio
A) 10x + 1 = x + 2
10x - x = 2 - 1
9x = 1
x = 1/9
.
.
b) 2x + 1 = -25x - 1
2x + 25x = -1 - 1
27x = -2
x = -2/27
.
.
c) 5x + 1 = 1 - x
5x + x = 1 - 1
6x = 0
x = 0/6
x = 0
.
.
d) x - 1 = 1 - x
x + x = 1 + 1
2x = 2
x = 2/2
x = 1
2 votes
Thanks 1
jjzejunio
São equacões do 1°grau
popeye1
A)
10x+1= x+2
10x-x= 2-1
9x= 1
x= 1/9
_________________________________________
b)
2x+1= -25x-1
2x+25x= -1-1
27x= -2
x= -2/27
_________________________________________
c)
5x+1= 1-x
5x+x= 1-1
6x= 0
x= 0/6
x= 0
__________________________________________
d)
x-1= 1-x
x+x= 1+1
2x= 2
x= 2/2
x= 1
Forte abraço!
1 votes
Thanks 1
popeye1
Equações do 1° grau
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Lista de comentários
10x - x = 2 - 1
9x = 1
x = 1/9
.
.
b) 2x + 1 = -25x - 1
2x + 25x = -1 - 1
27x = -2
x = -2/27
.
.
c) 5x + 1 = 1 - x
5x + x = 1 - 1
6x = 0
x = 0/6
x = 0
.
.
d) x - 1 = 1 - x
x + x = 1 + 1
2x = 2
x = 2/2
x = 1
10x+1= x+2
10x-x= 2-1
9x= 1
x= 1/9
_________________________________________
b)
2x+1= -25x-1
2x+25x= -1-1
27x= -2
x= -2/27
_________________________________________
c)
5x+1= 1-x
5x+x= 1-1
6x= 0
x= 0/6
x= 0
__________________________________________
d)
x-1= 1-x
x+x= 1+1
2x= 2
x= 2/2
x= 1
Forte abraço!