Solve for m.

4+|7−m|=5

A. m = 6 or m = 8

B. m = 6 or m=−8m=−8

C. m = 16 or m=−2m=−2

D. m = 2 or m = 16

Question

Solve for m.

4+|7−m|=5

A. m = 6 or m = 8

B. m = 6 or m=−8m=−8

C. m = 16 or m=−2m=−2

D. m = 2 or m = 16

3mar · Answer

How can you expand the absolute value of |7-m|?
Do you know how?

otherworldly · Answer

-4 on both sides of the equal sign then do absolute value

sissyedgar · Answer

Well.. I was thinking...
The answer is probably A. because when I do the math I get m = 8
A. is the only one with 8 as an option.

alones · Answer

A would be right. since than you get $\ 6$

sissyedgar · Answer

Yay. Thx!

alones · Answer

$\ m+7=1$
Subtract $\ 7$ from $\ −m+7−7=1−7$
$\ −m=−6$
Divide both sides by $\ -1$ $\ −m−1=−6−1$
So we'll get $\ m=6$

rcp031 · Answer

4+|7−m|=5
|7−m|=1
7-m=-1 & 7-m=1
m=8 or m=6

rcp031 · Answer

Consider |x|<2.
Absolute value is defined as distance from zero. Another way to read this
inequality would be the distance from zero is less than 2. So on a number line we
will shade all points that are less than 2 units away from zero.

sissyedgar · Answer

Thankz guyz!