When x is decreased by 129 and then that number is multiplied by 129, the result is 129. What is the value of x?

Step-by-step explanation:

twice the difference of a number and 3 is added to 4

welll its a very hard question but ill

step-by-step explanation:

first you take the 6 dollars and add 10 to it then add the 50 to that then multiply by 8 with xy and your answer will be

hope this

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use mnemonics and other tricks.

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note: the best i know.