Question

1)resolva as equações do 1° gral
a)x+4=
b)x+1=
c)X-2=
d)x+3=
e)x+10=
f)x+7=
g)x+9=
h)x-8=
I)x+17=
J)10+X=
k)128+x=
l)3x-15=
m)6x-10=
n)5x-2=
o)12x-4=
p)3x-8=
q)x +9=
r)3x-8=
s)7x+5=
t)3×-14=
u)8x-9=
v)3x+9=
​

Answer 1

Explicação passo-a-passo:

a) x+4=

x= -4

b) x+1=

x= -1

c) x-2=

x=2

d) x+3=

x=-3

e)x+10=

x=-10

f)x+7=

x=-7

g)x+9=

x=-9

h)x-8=

x=8

I)x+17=

x=-16

J)10+X=

x=-10

k)128+x=

x=-128

l)3x-15=

3x=15

m)6x-10=

6x=10

x=10/6

x= 1,66666.....

n)5x-2=

5x=2

x=2/5

x=0,4

o)12x-4=

12x=4

x=4/12

x=0,333333.....

p)3x-8=

3x=8

x=8/3

x= 2,66666...

q)x +9=

x=-9

r)3x-8=

3x=8

x=8/3

x= 2,666666...

s)7x+5=

7x=-5

x= -5/7

x=−0.7142857143

t)3×-14=

3x=14

x=14/3

x= 4,66666...

u)8x-9=

8x=9

x=9/8

x=1,125

v)3x+9=

3x=-9

x=-9/3

x= -3