Answer:
4
Step-by-step explanation:
Distribute the 2 to the X and 7
4+2x+14=26
2x+18 =26
minus the 18 from 26
2x = 8
divide 2x and 8 by 2
X= 4
If you have a graphing calculator, you could use it to solve this question.
If you have a TI-84, go to <em>MATH</em> then <em>PROB</em> then <em>3: nPr</em>
From there, all you have to do is type in 7 and 3 in their correct spots to get 210 as your answer.
H=3v/b should be the correct answer
ight what do i gotta answer tho