Answer:
7/5
Step-by-step explanation:
3x + 5 + 2x - 12 = 0
5x - 7 = 0
5x = 7
x = 7/5
10 dollars. 8÷4=2. 8+2=10
25%= 4
answer: you're missing the problem
1. k = 15
2. d = 20
3. n = 3