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Hello!

The answer is -2. How do we find this out?

Step 1: Subtract 1 from both sides, isolate the 1 - 4 ( 1 - )

-4x < 9 - 1

Step 2: Do the subtraction..

-4x < -8.

Step 3: Divide both sides by -4, isolate the -4

x > -8/4

Step 4: Do the division.

x > -2.

Hope this helps! ☺♥
morenitarubio
1-4x<9
-1      -1 SUBTRACT 1 FROM BOTH SIDES
  -4x<8 DIVIDE BY -4 ON BOTH SIDES
  /-4  /-4 FLIP SIGN B/C YOU'RE DIVIDING BY A NEGATIVE
   x>-2 FINAL ANSWER

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