ME AJUDA POR FAVOR EM MATEMÁTICA SOCORRO
a) × + 5 = 8
b) × - 4 = 3
c) × + 6= 5
d) × - 7 = -7
e) × + 9 = - 1
f) × - 39 = - 79
g) 10 = × + 8
h) 15 = × + 20
i) 4 = × - 10
j) 7 = × + 8
k) × - 1 = 5
l) 2 × + 4 = 16
m) 3× = 15
n) 2× = 10
o) 3× = - 9
p) 2× - 2 = 12 - 5 ×
q) 3× - 13 = 8
r) 4× - 9 = 23
s) 7× - 33 = - 12
t) 33 + × = 5 - 3 ×
u) 2× = 14
v) 7× = - 21
w) 4× = - 12
x) 35 × = - 105
Soluções para a tarefa
a) × + 5 = 8
x = 8-5
x = 3
b) × - 4 = 3
x = 4 + 3
x = 7
c) × + 6= 5
x = 5 -6
x = -1
d) × - 7 = -7
x = -7 + 7
x = 0
e) × + 9 = - 1
x = -1 -9
x = -10
f) × - 39 = - 79
x = -79 + 39
x = -40
g) 10 = × + 8
x = 10 - 8
x = 2
h) 15 = × + 20
x = 15 - 20
x = -5
i) 4 = × - 10
x = 4 + 10
x = 14
j) 7 = × + 8
x = 7 - 8
x = -1
k) × - 1 = 5
x = 5 + 1
x = 6
l) 2 × + 4 = 16
2x = 16 - 4
x = 12/2
x = 6
m) 3× = 15
x = 15/3
x= 5
n) 2× = 10
x = 10/2
x = 5
o) 3× = - 9
x = -9/3
x = -3
p) 2× - 2 = 12 - 5 ×
2x + 5x = 12 + 2
7x = 14
x = 14/7
x = 2
q) 3× - 13 = 8
3x = 8 +13
x = 21/3
x= 7
r) 4× - 9 = 23
4x = 23 + 9
4x = 32
x = 32/4
x = 8
s) 7× - 33 = - 12
7x = -12 + 33
7x = 21
x = 21/7
x = 3
t) 33 + × = 5 - 3 ×
x + 3x = 5 - 33
4x = -28
x = -28/4
x = -7
u) 2× = 14
x = 14/2
x = 7
v) 7× = - 21
x = -21/7
x = -3
w) 4× = - 12
x = -12/4
x= -3
x) 35 × = - 105
x = -105/35
x = -3
Bons estudos!
Explicação passo a passo com respostas:
a)x = 3
b)x = 7
c)x = -1
d)x = 0
e)x = 8
f)x = -49
g)x = 2
h)x = -5
i)x = 14
j)x = -1
k)x = 6
l)x = 6
m)x = 5
n)x = 5
o)x = -3
p)x = 2
q)x = 7
r)x = 8
s)x = 3
t)x = -7
u)x = 7
v)x = -3
w)x = -3
x)x = -3