Question

1.
x=?
a).2x-14°29'40''=20
b). x-18°14'57''=3•(11°21'10'')
2.a). 2x -37°=213°
b). x+47°33'=85°49'27''
c). 3•(x-12°7'20'') +41°=161°30'18''
d). 73°50'+59°+10'=x+18°42'33''
Dar cu rezolvarea REPEDE, DAU COROANA

Answer 1

1.

a)

2x+14°29'40"=20°

2x = 20°-14°29'40" 1° = 60'= 3600" 1° = 59'60"

2x=19°59'60 -14°29'40"

2x=5°30'20" /:2

x = 4°90'20":2

x = 2°45'10"

b)

x - 18°14'57" = 3×(11°21'10")

x - 18°14'57" = 33°63'30"

x - 18°14'57" = 34°3'30"

x = 34°3'30" + 18°14'57"

x = 52°17'87"

x = 52°18'27"

2.

a)

2x - 37° = 213°

2x = 213° + 37°

2x = 250°

x = 125°

b)

x + 47°33' = 85°49'27''

x = 85°49'27'' - 47°33'

x = 38°16'27''

c). 3×(x - 12°7'20'') +41°=161°30'18''

3x - 3×12°7'20'' = 161°30'18'' - 41°

3x = 160°49'18'' + 36°22'60''

3x = 160°49'18'' + 36°23'

3x = 197°12'18''

x= 197°12'18'':3

x= 65°44'06''

d)

73°50' + 59°+10' = x + 18°42'33''

133°00' = x + 18°42'33''

x = 133°00'-18°42'33''

x = 13°18'27''