Respuesta :

nap14hockey

Let's start by setting up our equations.


Let's call the number "x"


So,

The first part can be represented by

[tex]4+7x[/tex]


And the second part can be represented by

[tex]3x-20[/tex]


Then we just set them equal and solve

[tex]4+7x=3x-20\\4+3x=-20\\3x=-24\\x=-8[/tex]


-8 Is the answer

mrworldwide
To write this with numbers,
Four more (this means __+4)
Seven times a number (this means 7x)
Is the same as (this means =)
20 less than (this means __-20)
Three times the number (this means 3x)

Put together, this equation is:
7x + 4 = 3x - 20
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