Where Can I Get Help For This Algebra Problem?
Problem: The sum of the digits of a two digit number is 11. If the digits are reversed, the new number is 45 more than the original. Find the number. I think I'm supossed to use elimination.
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Try to write it out, as you read it.
The sum of two digits of a two digit number is 11;
Let's take the first digit to be A, and the second digit to be B;
So we write an equation as follows: A*10 + B = 11, since we're most likely dealing with base 10 and the first number is actually a single digit with a place multiplier.
Now we write out the second equation, just like it sounds;
If the digits are reversed, the new number is 45 more than the original number.
So let's use B for the first number and A for the second,
and write B*10 + A = 11 + 45
Now we have two equations, and two unknowns. Substitute and solve for one unknown, and then the other.
I'll check back and see how you're doing.
The sum of two digits of a two digit number is 11;
Let's take the first digit to be A, and the second digit to be B;
So we write an equation as follows: A*10 + B = 11, since we're most likely dealing with base 10 and the first number is actually a single digit with a place multiplier.
Now we write out the second equation, just like it sounds;
If the digits are reversed, the new number is 45 more than the original number.
So let's use B for the first number and A for the second,
and write B*10 + A = 11 + 45
Now we have two equations, and two unknowns. Substitute and solve for one unknown, and then the other.
I'll check back and see how you're doing.
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