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Phổ biến Word Problems >

the sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.

Lời Giải

t h e s u m o f tw i ce a n u mb er an d 4 t im es an o t h er n u mb er i s 4. T h e f i rs t n u mb er d ecre a se d b y t h e seco n d n u mb er i s 5. F in d t h e n u mb ers .

Lời Giải

The numbers : 4, - 1

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 x + 4 y = 4

x - y = 5

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

The numbers : 4, - 1

Ví dụ phổ biến

the sum of two consecutive numbers is 83. find the numbers.three numbers are in the ratio 3:7:9, if their sum is 904, what are the numbers three numbers are in the ratio 2:4:5. if the sum of the three numbers is 209. what are the numbers the numerator of a fraction is 4 less than the denominator. If the value of the fraction is 3/4 find the fraction a number increased by 6 is equal to 11. What is the number?