who can help me thanks Maths problems?

Mathematics
Tutor: None Selected Time limit: 1 Day

Which of the statements describes the solution set for -2(x + 8) = -2x + 20? 


A) x = - 2 only 
B) x = 0 only 
C) x = 20 only 
D) There are no solution for this equation. 
E) All real numbers are solutions of this equation.
Dec 22nd, 2014

Expand the term on the left hand term of the equation

-2x - 16 = - 2x + 20 

Add -2x to both sides of the equation

-2x - 16 + 2x = - 2x + 20 + 2x 

-16 = 20 

The last statement is always false, hence the given equation has no solution.

Dec 22nd, 2014

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Dec 22nd, 2014
...
Dec 22nd, 2014
May 26th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer