Answer:
n = 3
Step-by-step explanation:
Given
4n - 3 = n + 6 ( subtract n from both sides )
3n - 3 = 6 ( add 3 to both sides )
3n = 9 ( divide both sides by 3 )
n = 3
Answer:
x+4x=5+7
Step-by-step explanation:
hope this helps
Smaller leg = x
longer leg = y
hypotenuse = z
y=x+7
z=x+8
due to
but x cannot be -3
so smaller leg is 5 inches
then longer leg = 5+7 = 12 inches
and hypotenuse = 5+8 = 13 inches
Answer:
I think the answer you need is it has been 9 weeks?
Step-by-step explanation:
540-315=225
225/25=9
she has had 9 lessons so far and can afford roughly 12 more