SOLUTION: if 18 is subtracted from four times of a number 30 is obtained.find the number.

Question 175344: if 18 is subtracted from four times of a number 30 is obtained.find the number.
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Let be the number:
As per condition:
, eqn 1
continuing,

divide by 4 to isolate x:

Answer
Check,

Thank you,
Jojo
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