Question

x + 121 = 300 + 120

Answer 1

x + 121 = 300 + 120

x + 121 = 420

x           = 420 - 121

x           = 299

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Answer 2

X+121=300+120

X+121=420

X=420-121

X=299

Answer 3

x + 121 = 300 + 120

x + 121 = 420

x = 420 - 121

x = 299

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Answer 4

x+121=300+120

x+121=420

x       =420-121

x       =299

Answer 5

x+121=300+120

x +121=420

x        =420-121

x        =299

Answer 6

x+121=300+120

x+121=420

x       = 420-121

x     = 299

vậy x=299.

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