17.2 • 3.1
= 53.32
hope this helped :p
I do not know if you mean x² or 2x, so here are both equations:
Equation 1:
x² - 16 = 0
x² = 16
x = √16
x = <span>±</span>4
Solutions: x = 4 and x = -4
Equation 2:
2x - 16 = 0
2x = 16
x = 8
Solution: x = 8
Answer:
Step-by-step explanation:
You subtract straight across.
Answer:
10
Step-by-step explanation: you have five fingers and another five fingers and when you put them together you have ten
Kay = x
Mary is twice as old as Kay
⇒ Mary = 2x
Jane is 3 years older than Mary
⇒ Jane = 2x + 3
Answer: 2x + 3
