Question

resolva as equações, me ajuda por favor? Só responda se for resolver!​

Answer 1

Explicação passo-a-passo:

A)x+5=8

x=8-3

x=5

B)x-4=3

x=3+4

x=7

C)x+6=5

x=5-6

x=-1

D)x-7=-7

x=-7+7

x=0

E)x+9=-1

x=-1-9

x=-10

F)x+28=11

x=11-28

x=-17

G)x-109=5

x=5+109

x=114

H)x-39=-79

x=-79+39

x=40

I)10=x+8

-x= 8-10(-1)

x=-8+10

x=2

J)15=x+20

-x=20-15(-1)

x=-20+15

x=35

K)4=x-10

4+10=x

14=x

-x=-14(-1)

x=14

L)7=x+8

7-8=x

-1=x

-x=-1(-1)

x=1

M)0=x+12

0-12=x

-12=x

-x=12(-1)

x=12

N)-3=x+10

-3-10=x

-13=x

-x=13(-1)

x=13

Answer 2

a- x+5=8

x=8-5

x=3

b- x-4=3

x=3+4

x=7

c- x+6=5

x=5-6

x= -1

d- x-7=-7

x=-7+7

x=0

e- x+9=-1

x= -1-9

x=10

f- x+28=11

x=11-28

x= -17

g- x-109=5

x=5+109

x=114

h- x-39= -79

x= -79+39

x=40

i- 10=x+8

-x=+8-10

-x= -2 (-1)

x=2

j- 15=x+20

-x=20-15

x=-5

k- 4=x-10

-x=-10-4

x=14

l- 7=x+8

-x=+8-7

x=-1

m- 0=x+12

-x=12 (.-1)

x= -12

n- -3=x+10

-x=10+3

x=13