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人気のある Word Problems >

Six times a number plus twice a second number is four. Twice the first number plus four times the second number is eighteen.

解

S i x t im es a n u mb er pl u s tw i ce a seco n d n u mb er i s f o u r . Tw i ce t h e f i rs t n u mb er pl u s f o u r t im es t h e seco n d n u mb er i s e i g h t ee n .

解

The numbers : - 1, 5

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

6 x + 2 y = 4

2 x + 4 y = 18

6 x + 2 y = 4, 2 x + 4 y = 18 : x = - 1, y = 5

The numbers : - 1, 5

人気の例

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