Homework Help: Math

Posted by Joel on Tuesday, September 7, 2010 at 3:46pm.

Help-I just started Algebra II and I'm lost.

What is the solution of 10 = absolute value of 7-3x.

Please show steps so I can understand

Math - Reiny, Tuesday, September 7, 2010 at 4:48pm
If |7-3x| = 10
then either (7-3x) = 10 or -(7-3x) = 10

for 7-3x = 10
-3x = 3
x = -1

for -7 + 3x = 10
3x = 17
x = 17/3

so x = -1 or x = 17/3
Math - Joel, Tuesday, September 7, 2010 at 5:20pm
Thank you so much

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