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38 votes
38 votes
7 times a certain number less four times that same number minus 2 is -58 what is the number​

User Willian Fuks
by
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2 Answers

18 votes
18 votes

Let the number be x

ATQ


\\ \sf\longmapsto 7x-4x-2=58


\\ \sf\longmapsto 3x-2=58


\\ \sf\longmapsto 3x=58+2


\\ \sf\longmapsto 3x=60


\\ \sf\longmapsto x=(60)/(3)


\\ \sf\longmapsto x=20

User Matthew Dolman
by
2.4k points
8 votes
8 votes

The number is 20

Explanation:

7 times a certain number :

Let the unknown number be x


7 * x

is less four times that same number -2 is 58 :

7x - 4x -2 = 58

Collect like terms

7x-4x = 58+2

3x = 60

3x/3 = 60/3

x = 20

User Leedit
by
2.7k points