smn43713
12.12.2019 •
Mathematics
The millers, rigbys, and the smiths went on a camping trip. the millers spent $100 more then rigbys, and the smiths spent twice as much as the millers. if the cost of the trip was $580 altogether, how much did the smiths spend?
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Ответ:
Step-by-step explanation:
3x - 2y = –9
3x−2y+2y=−9+2y
3x=2y−9/3x^3
=2y−9/3
x=2/3y−3
4x + 3y = 22
4x+3y+−3y=22+−3y
4x=−3y+22
4x4
=−3y+22/4
x=−3/4y+11/2