08-10-2014
Mathematics

Answered

Whats 7+3x=5x+13?????

Answer :

08-10-2014

[tex]7+3x=5x+13\\ 7+3x-3x=5x+13-3x\\ 7=2x+13\\ 7-13=2x+13-13\\ -6=2x\\ \frac{-6}{2} =\frac{2x}{2}\\ -3=x[/tex]

Answer Link

baybay5010 baybay5010

08-10-2014

7 + 3x = 13 + 5x

Add 5x to both side

7 + 3x + -5x = 13 + 5x + -5x

This two is 0
5x + -5x = 0

Add seven on both sides
7 + -7 + -2x = 13 + -7

3 + -7 = 6

x = -3

Answer Link

Other Questions

Write about situations in which you think compromise is appropriate and situations in which you thing compromise is not appropriate.

How Did Gandhi Achieve His Goal?

which two things must be accomplished by the introduction if the author using a safe order

14 is 89% of what number

what did Ramses the second build

Character can be portrayed by direct exposition. True False

Solve the following quadratic equation using 3 out of 4 of the following methods

It has been 20 years since which New Zealand tragedy

Please help! Which sentence uses a verb that agrees with its subject? A. Julia, like her twin brother Jason, swim very well. B. The cellular phones inside that

A well-written job description should: A. be written in great detail and be at least four or five pages long. B. be updated once every five years. C. clearly