Question

a) x - 452 = 77 + 48

b) x+58 = 64 + 58

c) x - 1 - 2 - 3 - 4 = 0

Answer 1

a) x - 452 = 77 + 48

x-452=125

x=577

b) x+58 = 64 + 58

x+58=122

x=64

c)x - 1 - 2 - 3 - 4 = 0

x-1-2-3=4

x-1-2=7

x-1=9

x=10

Answer 2

 a,577

 b,64

c,10

Answer 3

a) x - 452 = 77 + 48

=> x - 452 = 125

=> x = 125 + 452

=> x = 577

Vậy x = 577

b) x + 58 = 64 + 58

=> x + 58 - 58 = 64 + 58 -58

=> x =64

Vậy x = 64

c)x - 2 - 2 - 3 - 4 = 0

=> x - ( 1 + 2 + 3 + 4 ) = 0

=> x - 10 = 0

=> x =10

Vậy x =10

Answer 4

a/577

b/64

c/10

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Answer 5

a) x - 452 = 77 + 48

x - 452 = 125

x = 577

b) x+ 58 = 64 + 58

x + 58 = 122

x = 64

c) x - 1 - 2 - 3 - 4 = 0

x - 1 - 2 - 3 = 4

x - 1 - 2 = 7

x - 1 = 9

x = 10