bkfarkle
bkfarkle bkfarkle
  • 03-02-2020
  • Mathematics
contestada

Solve 3(x−5) = 9.

x = −3
x = 2
x = 7
x = 8 (this is the answer)

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marcthemathtutor
marcthemathtutor marcthemathtutor
  • 03-02-2020

Answer:

x = 8

Step-by-step explanation:

3(x−5) = 9   (by PEDMAS, distribute 3 into parentheses by distributive property)

x(3)−5(3) = 9

3x - 15 = 9   (add 15 to both sides)

3x = 9 + 15

3x = 24   (divide both sides by 3)

x = 24/3

x = 8

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