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Populaire >

The sum of two numbers is 172. The first is 8 less than 5 times the second. Find the first number.

Solution

The sum of two numbers is 172. The first is 8 less than 5 times the second. Find the first number.

Solution

The number : 142

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 172

x = 5 y - 8

x + y = 172, x = 5 y - 8 : x = 142, y = 30

The number : 142

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