2n - 5 = 7
Add 5 to both sides.
-5 + 5 = 0
7 + 5 = 12
2n = 12
Divide both sides by 2.
2n / 2 = n
12 / 2 = 6
n = 6.
Your answer is 6.
I hope this helps!
Answer:
2x² + 7x - 4
Step-by-step explanation:
(2x-1)(x+4)
= (2x)(x) + (2x)(4) + (-1)(x) + (-1)(4)
=2x² + 8x - x -4
=2x² + 7x - 4
A) Divide 5 ÷ 8 = 0.625
b) Multiply by 100
0.625 x 100 = 62.5 %
Step-by-step explanation:
x= 35+8
x= 43
y= 35+7
y= 42
Answer:
36/80 chance of landing on tails, or a 45% chance .
