Asked by deedee
Solve by multiplication principle
-2x is greater than 1/9
answer: x is greater than -1/18
-2x is greater than 1/9
answer: x is greater than -1/18
Answers
Answered by
Damon
- 2 x > 1/9
divide both sides by - 2 AND change direction of arrow
x < -1/18
when you multiply (divide) both sides of an inequality by a negative, you reverse the arrow
divide both sides by - 2 AND change direction of arrow
x < -1/18
when you multiply (divide) both sides of an inequality by a negative, you reverse the arrow
Answered by
deedee
Thank you
Answered by
Damon
Think about
-x > 1
that would be everything to the left of -1
Now do the algebra, multiply both sides by -1 and reverse arrow:
x < -1 sure enough
-x > 1
that would be everything to the left of -1
Now do the algebra, multiply both sides by -1 and reverse arrow:
x < -1 sure enough
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