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Popolare Word Problems >

the sum of two numbers is 31. the second number is 5 less than twice the first number

Soluzione

t h e s u m o f tw o n u mb ers i s 31. t h e seco n d n u mb er i s 5 l ess t han tw i ce t h e f i rs t n u mb er

Soluzione

The numbers : 12, 19

Fasi della soluzione

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 31

y = 2 x - 5

x + y = 31, y = 2 x - 5 : x = 12, y = 19

The numbers : 12, 19

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