5 x + 3 y = 41 / * 3
3 x + 2 y = 26 / * ( - 5 )
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15 x + 9 y = 123
+
- 15 x - 10 y = - 130
---------------------------
- y = - 7 / * ( - 1 )
y = 7
Answer:
Each program costs D ) $7
Answer:
x=\frac{6-y-z}{3}
Step-by-step explanation:
Answer:
x >1/5
Step-by-step explanation:
5x-1 >0
Add 1 to each side
5x-1+1 >0+1
5x >1
Divide each side by x
5x/5 >1/5
x >1/5
Mr Wellborn arrives at work at 7:50 am. If you take 60 minutes away from 8:40 its 7:40 but take away 10 minutes and its 7:50.
