3 years ago

-3x-12>8x+21 please help 30 points!!!!!!!!!!!!!!

1 answer:

6 0

-3x-12> 8x + 21
+12 +12
-3x > 8x + 33
-8x -8x

-11x > 33
————-
-11

x < -3

I moved the real numbers to one side and and the variable to the other side to solve for the inequality

I also remembered somewhere that if you divide by a negative number the inequality sign switches.

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