The sum of two numbers is 27. One number is 3 more than the other number. Write and solve a system of equations to find to two numbers

The first number is 12, the second is 15.

Step-by-step explanation:

One equation to solve this would be n+(n+3)=27

n+(n+3)=27

Simplified: 2n+3=27

2n+3=27

2n+3-3=27-3

2n=24

2n÷2=24÷2

n=12

When you plug n into the equation, you get 12+(12+3)=27

12+(12+3)=12+15

12+15=27

So, the first number is 12 and the second is 15

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step-by-step explanation:

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons