progamer202016 progamer202016
  • 03-04-2020
  • Mathematics
contestada

4x-6 <30
what is the answer?

Respuesta :

jimthompson5910 jimthompson5910
  • 03-04-2020

Answer:  x < 9

Work Shown:

4x - 6 < 30

4x - 6 + 6 < 30 + 6

4x < 36

4x/4 < 36/4

x < 9

Explanation:

The idea is to undo everything happening to x. We follow PEMDAS in reverse. We undo subtraction first by adding 6 to both sides (step 2), then we undo multiplication by dividing both sides by 4 (step 4).

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