# algebra

hi...

i need help finding 2 equations that i would use for this elimination process....
this is what they gave me:
* the sum of the digits i a two-digit is 14. If the 2 digits are reversed, the new number is 18 less than the original number. Find the original number.

what two equation would i use for this???

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1. number is ab which is b + 10 a if base ten system

a + b =14 equation one

new reversed number is ba which is a +10 b if we are doing decimal and not binary or octal or something

a + 10 b + 18 = b + 10 a

9 b + 18 = 9 a

a - b = 2 equation two

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posted by Damon
2. i don't seem to understand...

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posted by ana
3. i need a simple way to do equation 2....

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posted by ana
4. local computer center charges non members \$5 per to use the media center. If pay a membership fee of \$25. you pay you S3 per session. Write equation that can help you decide whether a solution. a member Then solve the and interpret the

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posted by Ali

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