Answer:
x = 7
Step-by-step explanation:
3x - 7 = 2x
- 7 = -1x
x = -7/-1
x = 7
The 7 in 27,026 means 7,000. 7,000*10=70,000, so the answer is 70,000.
Answer:
67.9375
Step-by-step explanation:
x+15=19
x=19-15=4
x^3-x^-2+16x^-1 = 4^3-4^-2+16(4)^-1=67.9375