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SAT Place Values (Digit Problems)

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More Lessons for SAT Math

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Videos, games, activities and worksheets to help SAT students review place values and digit problems.

Sum of Digits - Algebra Digit Word Problems
One difficult type of Algebra problem are word problems asking about the sum of digits in a two digit number.
The units' digit of a two-digit counting number is 1 greater than twice the tens' digit. When the digits are reversed, the sum of the new number and the original number is 77. What was the original number?

Digit Word Problem in two variables
The word problem is translated into 2 algebraic equations and then the system is solved
Digit Word Problems


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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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