Posted by **savanna** on Wednesday, November 5, 2008 at 3:04am.

i don't understand how to do these

1+3x-x=x-4+2z

3+3x-(x-2)=3x+4

- algerbra 1 -
**drwls**, Wednesday, November 5, 2008 at 7:19am
You posted this twice. I was hoping you'd do the second one yourself, after seeing how I did the first one.

When you combine similar terms on the left side of

3+3x-(x-2)=3x+4

you get

2x + 5 = 3x + 4

For the next step, subtract 2x from both sides of the equation.

5 = x + 4

From there, you should be able to solve for x in one more step.

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