Question

(A)×_2=10 (b)×_5=15 (c)×_3=2 (d)×+4=8 (e)×+3=1 (f)×+8=10 (g)×+3=10 (h)×_3=_1? RESPOSTA

Answer 1

__________

A) x - 2 = 10

x = 10 + 2

x = 12

R) x = 12

_

B) x - 5 = 15

x = 15 + 5

x = 20

R) x = 20

_

C) x - 3 = 2

x = 3 + 2

x = 5

R) x = 5

_

D) x + 4 = 8

x = 8 - 4

x = 4

R) x = 4

_

E) x + 3 = 1

x = 1 - 3

x = -2

R) x = -2

_

F) x + 8 = 10

x = 10 - 8

x = 2

R) x = 2

_

G) x + 3 = 10

x = 10 - 3

x = 7

R) x = 7

_

H) x - 3 = -1

x = -1 + 3

x = 2

R) x = 2

__________

Att: MarcosPCV