Answer:
a=-15
Step-by-step explanation:
Answer:
x = 1/7(k+12)
Step-by-step explanation:
7x - 12 = k
Add 12 to each side
7x - 12+12 = k+12
7x = k+12
Divide each side by 7
7x/7 = (k+12)/7
x = 1/7(k+12)

adding 3.24 x and 8.37x on the right side:


adding 8.09 to both sides:



dividing both sides by 11.61
Answer : x=1.37
1. 437,003,000,000
2. 53,250,000
3. 797,619,000,323
4. 11,006,007
5. 84,000,037,800