Posted by **Anonymous** on Wednesday, January 9, 2013 at 6:18am.

X+y=18,2x+y=27

- Govt school math -
**Anonymous**, Wednesday, January 9, 2013 at 6:21am
Solve the question by substitution method? Equation 1st x+y=18 equation 2nd 2x+y=27

- Govt school math -
**Reiny**, Wednesday, January 9, 2013 at 9:05am
subtract the first from the second ...

2x+y = 27

x + y = 18

-----------

x = 9

sub into the 1st:

9+y = 18

y = 9

so x=9 and y=9

## Answer This Question

## Related Questions

- Kharkutta govt. School - Use number line to evaluate the following. (1). -5+(-3...
- Govt.sen.sec.school darlaghat - state and explain 1st law of thermodynamics
- Economics - This data given: GDP=$110; Income earned by citizens abroad=$5; ...
- Kharkutta govt. School - Split 597 into three parts such that these are in A.P. ...
- government - five purposes of govt...protection,order,conflict resolution,econ. ...
- dr.khastagir govt girls high school - tanA+sinA=p, tanA-sinA=q shows that p^2+q^...
- Social Studies - What your opinion on this statement? The only way to have a ...
- Uttarpara Govt.High School,physical science - There is a solution of 50 gm Pb(...
- civics - what was the major difference between Greek and Roman democracy? A The ...
- English - 1. My school begins at 8:30 a.m. like Bora's school. 2. Our school ...

More Related Questions