Answer:
n=3
Step-by-step explanation:
combine like terms
put 5n to the other side by subtracting it
4n-7=5
no add 7 to other side
4n=12
divide 4 by the 12
n=3
139852
one hundred thirty nine thousands eight hundred fifty two
Answer:
5 times x minus 8 minus 7
Step-by-step explanation:
whenever you see an x right next to a number, it means that it's being multiplied for that number. For example: 2x mean 2 times x
This symbol - is a minus symbol. So when it's in front of a number, you say "minus" and then the number. For example: 4 - 3 means, Four minus three.
Solve the equation for k by finding a, b, and c of the quadratic then applying the quadratic formula.
Answer =
K= 1/2 , 2/5