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Phổ biến Word Problems >

There are two numbers. Twice the larger number increased by three times the smaller number equals 156. Four times the larger number decreased by the smaller number equals 158. Find the two numbers.

Lời Giải

T h ere a re tw o n u mb ers . Tw i ce t h e l a r g er n u mb er in cre a se d b y t h ree t im es t h e s ma ll er n u mb er e q u a l s 156. F o u r t im es t h e l a r g er n u mb er d ecre a se d b y t h e s ma ll er n u mb er e q u a l s 158. F in d t h e tw o n u mb ers .

Lời Giải

The numbers : 45, 22

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 x + 3 y = 156

4 x - y = 158

2 x + 3 y = 156, 4 x - y = 158 : x = 45, y = 22

The numbers : 45, 22

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