Wednesday
April 16, 2014

Homework Help: pre calc

Posted by Anonymous on Tuesday, September 8, 2009 at 2:45pm.

True or false:
a. |3x-5|=|2x+4| if and only if 3x-5=2x+4 or 3x-5= -(2x+4) ______
b. |2x+7|=-4 if and only if 2x+7=4 or 2x+7=-4 ______

how do you do these and what's the answer?
thanks

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Rational Expression - (x+1/2x-1 - x-1/2x+1) * (2x-1/x - 2x-1/x^2) (x+1/2x-1 - x-...
Math - Please show the solutions! 1.) x+y-2(2x-3y) 2.) x+y/2 - 3x-y/4 + x-5y/8 3...
Grade 10 Math - I've missed quite alot of school because I was sick and when I ...
bobpursley,math - about this problem , I figured it out and i did get the answer...
Calculus 12th grade (double check my work please) - 2- given the curve is ...
Math help - How do you do these questions, I have all my steps done until the ...
Math - How do you do these questions, I have all my steps until the last one: 2x...
Precalculus - Factor completely 2(3x - 5)3(2x + 1)^3 + (3x - 5)^2 (3)(2x + 1)^2...
Math - How do you do these questions, I have all my steps done until the last ...
Math Ms Sue check - How do you do these questions, I have all my steps done ...

Search
Members