Question

DE 1
a) + 5 = 8 e) + 9 = −1 i)4 = − 10 m)3 = 15 q)3−13=8 u)2 = 14
ATIVIDADE 2
a) 9x – 2 = 4x +
d) 4x – 18 + 3x
g) 7x + 1 = 5x – 7
j) 2(x + 5 ) – 4 = 26
m) 3( x + 2 ) = 2 ( x – 7) p) 3(x + 3 ) - 1 = 2
s) 3(2x – 3 ) + x = 5 v)3(3x +8) -5x = x - 3
ATIVIDADE 3
b)−4=3 f)−39=−79 j)7=+8 n)2 = 10 r)4−9=23 v)7 = −21
c) + 6 = 5
g)10 = + 8 k)−1=5
o)3 = −9 s)7−33=−12 w)4 = −12
d) − 7 = −7
h)15 = + 20
l)2 + 4 = 16
p)2 − 2 = 12 − 5 t)33+ = 5 − 3 x)35 = −105
18 = 10
b) 2x – 10 + 7x + 10 = 180 e) 2x + 5 + x + 7 = 18
h) 4x + 5 = x + 20
k) 3(x + 3 ) – 5 = 22
n) 4(2x –1 ) = 3( x+2 )
q) 3(x + 2 ) – 1 = 2(x + 3) – 7 t)3x + 5 + 2x + 6= x + 27
w) 5 (2x – 1 ) = 3 (x + 10)
c) 7y – 10 = y + 50
f) 5x – 91 = 4x – 77
i) 3(x + 1) + 2(2x – 3) = 5 (x – 1 ) + 8
l) 2(2x + 7 ) + 3(3x – 5 ) = 3(4x – 5 ) – 1 o) 4(2m-1) + 3m = 2(4m-1) – (2 –m)
r) 3(x + 1 ) + 2 = 5 + 2(x - 1 )
u) 2 ( x – 1 ) + 3(x + 1 ) = 4(x + 2)
x) 2(x – 3 ) + 8x +4 = 5 (x + 2 )

Answer 1

Resposta:

Explicação

Mano oloko

A

s

s

s

s

S

s

s