SOLUTION: The difference between twice a number and 30 is 20. What is the number?

SOLUTION: The difference between twice a number and 30 is 20. What is the number?

Algebra.Com

Question 538034: The difference between twice a number and 30 is 20. What is the number?
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
Twice a number minus the number + 30 = 20.
.
2x - (x+30) = 20
.
x = 50
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