### Home > GC > Chapter 6 > Lesson 6.2.4 > Problem 6-75

6-75.

If *b* + 2*a* = *c* and 2*a* + *b* = 10, then what is *c*? Explain how you know. Homework Help ✎

What do you know about '*b* + 2*a*' and '2*a* + *b*'?

6-75.

If *b* + 2*a* = *c* and 2*a* + *b* = 10, then what is *c*? Explain how you know. Homework Help ✎

What do you know about '*b* + 2*a*' and '2*a* + *b*'?