SOLUTION: The sum of 38 and twice a number is 124 find the number I put . . . .38+2n=124 2n=124+28 I got this far but still dont understand

Question 894542: The sum of 38 and twice a number is 124 find the number
I put . . . .38+2n=124
2n=124+28
I got this far but still dont understand
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
The sum of 38 and twice a number is 124 find the number
A:
The first equation 38 + 2n = 124 is correct.
You change the sign of the number when you transpose it.
The second equation should be
2n = 124 - 38
2n = 86
Divide both sides by 2.

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