### Home > A2C > Chapter 11 > Lesson 11.1.1 > Problem 11-10

11-10.

Construct a system of equations to solve:

3*a* + 4*b* = 8.53

4*a* + 2*b* = 7.74

9*a* + 7*b* = *x*

$20.14

11-10.

Construct a system of equations to solve:

3*a* + 4*b* = 8.53

4*a* + 2*b* = 7.74

9*a* + 7*b* = *x*

$20.14