Blue Sheep named Fred

This page lists questions and answers that were posted by visitors named Blue Sheep named Fred.

Questions

The following questions were asked by visitors named Blue Sheep named Fred.

I don't understand WHY we do certain steps, so I end up doing all the steps incorrectly. Take for example 16-2r=-3r+6r+1. The first step is take away 3r from both sides, yet I don't understand WHY we do that first, instead of say taking away 2r or taking...
2 years ago

Answers

The following answers were posted by visitors named Blue Sheep named Fred.

But how am I suppose to know as what classifies as making it simpler? Why not take away 2r from both sides so the equation becomes 16=r+1?
2 years ago
I should i have said add 2r. But how do you know what number to use when you're simplifying? Is the goal to prevent negatives?
2 years ago