Answer: 5.13 square cm
Step-by-step explanation:
No. The whole numbers are the natural numbers (counting numbers, 1, 2, 3...), but starting with zero instead of one. -1 is an integer but not a whole number.
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Solving the expression
we get 
Step-by-step explanation:
We need to solve the equation
and find value of n.
Solving:
![2[7-6(1-n)]+3n=-20+4[6(n+1)-3n]](https://tex.z-dn.net/?f=2%5B7-6%281-n%29%5D%2B3n%3D-20%2B4%5B6%28n%2B1%29-3n%5D)
Multiplying the terms inside the bracket
![2[7-6+6n]+3n=-20+4[6n+6-3n]](https://tex.z-dn.net/?f=2%5B7-6%2B6n%5D%2B3n%3D-20%2B4%5B6n%2B6-3n%5D)
Simplifying:
![2[1+6n]+3n=-20+4[6n-3n+6]](https://tex.z-dn.net/?f=2%5B1%2B6n%5D%2B3n%3D-20%2B4%5B6n-3n%2B6%5D)
![2[1+6n]+3n=-20+4[3n+6]](https://tex.z-dn.net/?f=2%5B1%2B6n%5D%2B3n%3D-20%2B4%5B3n%2B6%5D)


Adding -12n and -2 on both sides



So, Solving the expression
we get 
Keywords: Solving Equations
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Answer:
6
Step-by-step explanation:

-5 1/4 is a mixed fraction. so we convert it into improper fraction


negative and negative becomes positive

Both fractions have same denominators. so we can combine the numerators

Divide the fraction
