can you explain the computer set up you used to do this? I'm still joining the new century 2/7/2015 | Joyce L.

Given that 3x-7=x-11 Add 7 on both sides 3x-7+7=x-11+7 3x=x-4 Subtract x from both sides 3x-x=x-4-x 2x=-4 Divide both sides by 2 2x/2=-4/2 Cancel the common factor 2 x=-2 6/26/2016 | Manthena V.

I would add the recommendation that although a student should get the correct x when following the rules, it's always wise to check the answer by plugging it into the original equation. Oct 20 | Victoria G.

## Comments

xwhen following the rules, it's always wise to check the answer by plugging it into the original equation.