SOLUTION: the total number of democrats and republicans in the u.s. house of representatives during the 109th session was 434. There were 30 more republicans than democrats. How many membe

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: the total number of democrats and republicans in the u.s. house of representatives during the 109th session was 434. There were 30 more republicans than democrats. How many membe      Log On


   

Question 432429: the total number of democrats and republicans in the u.s. house of representatives during the 109th session was 434. There were 30 more republicans than democrats. How many members of each party were there?
Answer by belle3833(46) About Me  (Show Source):
You can put this solution on YOUR website!
so democrats(d)+republicans(r)=434
democarts(d) +30=republicans(r)
so d+r=434
d+30=r
Lets substitue the second equation into the first:
d+(d+30)=434
2d+30=434
2d=404
d=202
202 democrats
202+30=232 republicans
Hope this helps:-)