Matemática, perguntado por xavierlayla77, 8 meses atrás

EXERCICIOS



1)Resolva as equações



a) 6x = 2x + 16



b) 2x – 5 = x + 1



c) 2x + 3 = x + 4



d) 5x + 7 = 4x + 10



e) 4x – 10 = 2x + 2



f) 4x – 7 = 8x – 2



g) 2x + 1 = 4x – 7



h) 9x + 9 + 3x = 15



i) 16x – 1 = 12x + 3



j) 3x – 2 = 4x + 9



l) 5x -3 + x = 2x + 9



m) 17x – 7x = x + 18



n) x + x – 4 = 17 – 2x + 1



o) x + 2x + 3 – 5x = 4x – 9


p) 5x + 6x – 16 = 3x + 2x - 4



q) 5x + 4 = 3x – 2x + 4




2) Resolva as seguintes equações



a) 4x – 1 = 3 ( x – 1)


b) 3( x – 2) = 2x – 4


c) 2( x – 1) = 3x + 4


d) 3(x – 1) – 7 = 15


e) 7 ( x – 4) = 2x – 3


f) 3 ( x –2) = 4(3 – x)


g) 3 ( 3x – 1) = 2 ( 3x + 2)


h) 7 ( x – 2 ) = 5 ( x + 3 )


i) 3 (2x – 1) = -2 ( x + 3)


j) 5x – 3( x +2) = 15


k) 2x + 3x + 9 = 8(6 –x)


l) 4(x+ 10) -2(x – 5) = 0


m) 3 (2x + 3 ) – 4 (x -1) = 3


n) 7 (x – 1) – 2 ( x- 5) = x – 5


o) 2 (3 – x ) = 3 ( x -4) + 15


p) 3 ( 5 – x ) – 3 ( 1 – 2x) = 42


q) ( 4x + 6) – 2x = (x – 6) + 10 +14


r) ( x – 3) – ( x + 2) + 2( x – 1) – 5 = 0



s) 3x -2 ( 4x – 3 ) = 2 – 3( x – 1)


t) 3( x- 1) – ( x – 3) + 5 ( x – 2) = 18



u) 5( x – 3 ) – 4 ( x + 2 ) = 2 + 3( 1 – 2x)

Soluções para a tarefa

Respondido por mauraalino
2

Resposta:

6x-6x-2x=16

4x=16

x= 16/4

x=4


xavierlayla77: e as outras
Respondido por ronaldoerick782
2

Explicação passo-a-passo:

6x-6x2=16 4x=16 x=4 x=16/4


xavierlayla77: e as outras
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