First, use distributive property on the right half.
2 * 5 = 10
2 * 2n = 4n
4n - 9 = 10 + 4n
Add 9 to both sides
4n = 19 + 4n
Subtract 4n from both sides
0 = 19
But thats not true. Therefore, there is no solution.
Answer:
x=7
Step-by-step explanation:
- 4(x-2) = 2x+3(x-5)
- 4x-8 = 2x+3x-15
- 4x-8 = 5x -15
- -x = -7
- x = 7
Answer:
1 page takes her 22.5 minutes for each page
Step-by-step explanation:
Answer: No Triangle: 30 , 85 , 60, and 2, 8, 10
One Triangle: 7, 24, 25
Many Triangles: 45, 45, 90 5, 15, 160