Question

Matemática valendo 53 pontos pra hj

Answer 1

a) x + 7 = 0

x = 0 - 7

x = - 7

b) x - 5 = 6

x = 6 + 5

x = 11

c) d + 9 = - 1

d = - 1 - 9

d = - 10

d) p - 6 = 8

p = 8 + 6

p = 14

e) 3g = 15

g = 15

---

3

g = 5

f) x

--- = 8

4

x = 8 . 4

x = 32

g) 7m = 28

m = 28

----

7

m = 4

h) y

--- = 4

1

y = 4 . 1

y = 4

i) k + 6 = - 2

k = - 2 - 6

k = - 8

j) 11s = - 44

s = - 44

----

11

s = - 4

k) t - 4 = 0

t = 0 + 4

t = 4

l) 4t = - 36

t = - 36

----

4

t = - 9

m) p - 15 = 23

p = 23 + 15

p = 38

n) y + 11 = 7

y = 7 - 11

y = - 4

o) k

--- = - 2

7

k = - 2 . 7

k = - 14

p) 9n = - 72

n = - 72

----

9

n = - 8

q) e

--- = 1

13

e = 1 . 13

e = 13

r) n + 13 = 4

n = 4 - 13

n = - 9

s) d

--- = 12

- 6

d = 12 . (-6)

d = - 72

t) w - 19 = - 6

w = - 6 + 19

w = 13

u) y

--- = - 7

- 7

y = - 7 . (-7)

y = 49

Answer 2

A) x = - 7

B) x = 11

C) d = - 10

D) p = 14

E) g = 5

F) x = 32

G) m = 4

H) y = 4

I) k = - 8

J) s = - 4

K) t = 4

L) t = - 9

M) p = 38

N) y = - 4

O) k = - 14

P) n = - 8

Q) e = 13

R) n = - 9

S) d = - 72

T) w = 13

U) y = 49