Algebra 2

The sum of 3 numbers is 42
The sum of the first number and the third number +2 = the second number
The third number multiplied by 2 is equal to the sum of the first and third number

Can someone help me solve this? Questions like these make my brain hurt, I can't seem to solve this in my head...
I also need to create a question like this, can someone help me with that also? Thanks

1. Z

Write it out helps.
Let the 3 numbers be A,B,C
B = A + C + 2
2C = A + C
42 = A + B + C

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