Posted by **Anonymous** on Tuesday, February 21, 2012 at 8:38am.

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.

18x + 6y = 78

12x + 54y = -48

- algebra -
**drwls**, Tuesday, February 21, 2012 at 8:59am
y = 13 - 3x (from the first equation)

Substitute that for y in the second equation, and solve for x.

12x + 54*13 - 162x = -48

150 x = 750

Take it from there.

- algebra -
**deb**, Monday, September 17, 2012 at 1:33pm
48 divided by 2(9+3)=

parent needs answer.... i came up up with answer of 2

son has different answer of 288

## Answer this Question

## Related Questions

- intermediate algebra - solve using the substition method. show your work. if the...
- algebra - Solve using the substitution method. Show your work. If the system has...
- Algebra - Solve using the substitution method. Show your work. If the system has...
- Algebra - Solve using the substitution method. Show your work. If the system has...
- Algebra - Solve using the substitution method. Show your work. If the system has...
- algebra - Solve using the substitution method. Show your work. If the system has...
- Algebra - Solve using the substitution method. Show your work. If the system has...
- algebra - Solve using the substitution method. Show your work. If the system has...
- Intermediate Algebra - Solve using the substitution method. Show your work. If ...
- math - Solve using the substitution method. Show your work. If the system has no...

More Related Questions