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HELP: Solve: 3(x + 4) >(greater than or equal to) x - 2 ?
x >(greater than or equal to) -7
x >(greater than or equal to) 7
x <(greater than or equal to) -7
x >(greater than or equal to) -3
I got x >= -5 but that is not one of my multiple choice answers...
3 Answers
- ?Lv 58 years agoFavorite Answer
I'll help you, but I'm not giving you the answer. This is Homework HELP. Not Homework Answers.
3(x+4) >= x-2
Distribute 3 to (x-4). 3x+12 >= x-2
Add -12 to both sides side of the equation. 3x+12+(-12) >= x-2+(-12) = 3x >= x-14.
Add -x to both sides. 3x-x >= x-14-x = 2x >= -14
You tell me the answer now, using basic math.
EDIT: Whoopsie, when I edited this last, forgot to change the 10s to 14s.
- Anonymous8 years ago
3x+12 greater than or equal to x-2
2x+12 greater than or equal to -2
2x greater than or equal to -14
x greater than or equal to -7
- beedlesLv 45 years ago
|x+3| / |x-a million| ? 4 (x+3)² / (x-a million)² ? 4² (x+3)² / (x-a million)² - 4² ? 0 (-15 x² + 38x -7)/(x - a million)² ? 0 x ? a million a million/5 ? x < a million or a million < x ? 7/3 answer = {x| a million/5 ? x < a million ? a million < x ? 7/3 , x ? ?}