Posted by **Cadmus** on Monday, January 7, 2013 at 2:50am.

This is a 8th grade question:

Given C+C=D, D+E=17, A+2C=D, and 2B+C=8, what is the value of A+B+C+D???

Can you also show how you got it?

- math -
**PsyDAG**, Monday, January 7, 2013 at 9:54pm
To start, if C+C=D and A+2C = D, then A = 0.

With E and B being only in one equation each, I can't figure out how to solve for B, C or D. Do you have any typos?

- math -
**Idris**, Tuesday, January 8, 2013 at 2:40am
Eq1 and 3. 2C=D,A=0. Eq2 and 4.C=O,B=4,D=0,E=17.Therefore A+B+C+D=21

## Answer This Question

## Related Questions

- 8th Grade Math - The value of y varies directly with x. When y = -12 1/2, x = 50...
- Algebra problems - I have some problems that I would like checked please. Find ...
- Algrebra and Math - Can you help me answer this question? I'm confused, and show...
- Algebra - Here is the problem: Given f(x)=-x^3+3x^2-2x+6, find f(-1), f(0), and ...
- 8th grade prealgebra - Complete to show how the given expression can be written ...
- Math: Mean, Median, Mode, Range & Finding the devi - What is deviation? And what...
- calculus - A quantity has the value P at time t seconds and is decreasing at a ...
- calculus - A quantity has the value P at time t seconds and is decreasing at a ...
- Math - Theo made the table below to show the number of middle school students ...
- Algebra, 8th Grade mathematics - I need help on this question. My aunt doesn't ...

More Related Questions