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Transmitting Mathematical Notation












































On the line below this final equation, write the solution set of the equation using set braces.

Five less than the product of four and x is equal to the product of three and the sum of x and one.

My answer
4x-5=3(x+1)
4x-5=3x+3
4x=3x+3+5
4x-3x=8
x=8


Teacher advises this is incorrect

Comments for Transmitting Mathematical Notation

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Jan 25, 2010
solution set
by: Staff

The problem


On the line below this final equation, write the solution set of the equation using set braces.

Five less than the product of four and x is equal to the product of three and the sum of x and one.

My answer
4x-5=3(x+1)
4x-5=3x+3
4x=3x+3+5
4x-3x=8
x=8

Teacher advises this is incorrect




The solution

Using set braces (curly brackets), the answer to your equation would be written this way:

x = {8}

(The set of numbers which satisfy your equation consists of only one number, the number 8)



Staff
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