Posted by **Tamir** on Friday, January 8, 2010 at 7:32pm.

Hello, can someone help me solve and check the following

1) x - 8 = 20 Check:

2) x + 15 = 35 Check:

3) -x +6 = 3 Check:

The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.

- Algebra -
**Marth**, Friday, January 8, 2010 at 8:03pm
x is a variable, meaning that the value it represents can change. Given the equations, your goal is to find its value.

1)

x - 8 = 20

Add 8 to both sides to isolate x.

x - 8 + 8 = 20 + 8

x = 28

And that is the value of x in problem 1). Try the other problems.

- Algebra -
**Alicia**, Saturday, September 14, 2013 at 11:13am
n(r)=|r+2|+3;find h(6)

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