3 years ago

If 2 is subtracted from a number and this difference is tripled, the result is 8 more than the number.?

1 answer:

4 0

$x-\ number\\\\
3(x-2)=x+8\ \ \ | omit\ the\ bracket\\\\
3x-6=x+8\ \ \ | subtract\ x\\\\
2x-6=8\ \ \ \ | add\ 6\\\\
2x=14\ \ \ | divide\ by\ 2\\\\
x=7\\\\
 Number\ is\ 7.$

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