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How do you solve this inequality?
–2(x – 3) ≥ 5 – (x + 3)
Can you show me the steps? I'm confused.
4 Answers
- Anonymous8 years agoFavorite Answer
-2(x - 3) ≥ 5 - x - 3
-2x + 6 ≥ 5 - x - 3
-2x + x + 6 ≥ 5 - 3
-x ≥ 5 - 3 - 6
-x ≥ -4
x ≤ 4 (whenever you change the sign of both sides, switch from less than to greater than)
- 8 years ago
get rid of the equation
-2x + 6 ⥠5 + x -3
add the 5 and -3
subtract the 6 from the the right and left side of the equation
-2x ⥠x-4
there you go
- 8 years ago
-2(x-3) > 5-(x+3)
-2x+6 > 5-(x+3) Distribute the -2
-2x+6 > 5-x+3. Remove parentheses
-2x+6 > -x+8 Combine like terms
-2x > -x+2 Subtract the 6 from both sides.
x<2 Divide by -x
NOTE: when you divide by a negative you switch the signs
Also imagine the <,> have a line underneath. I could figure out to get those symbols
- 8 years ago
you always change it to "=" so it's
-2(x-3)=5-1(x+3).
you distribute the -2 and -1. and becomes:
-2x+6=5-x-3 -> -2x+6=-x+2
add 2x and subtract 2 fro each side.
x=4