thgenfg2052 thgenfg2052
  • 01-11-2018
  • Mathematics
contestada

If 3 is added to a number and the sum is multiplied by 3 the result is 7 times the number decreased by 9 find the numbers

Respuesta :

tramserran
tramserran tramserran
  • 01-11-2018

Answer:   [tex]\frac{9}{2}[/tex]

Step-by-step explanation:

3(3 + x) = 7x - 9

 9 + 3x = 7x - 9     distributed 3 on the left side

      -3x   -3x    

 9       =  4x - 9

+9                +9

18       =  4x

÷4          ÷4      

  [tex]\frac{9}{2}[/tex]      =   x

Answer Link

Otras preguntas

Unlike animals, fungi A) digest their food before ingesting it. B) ingest their nutrients before digesting them. C) photosynthesize their food before digestin
People who experience excessive periods of euphoria and uncontrollable hyperactivity countered with periods of feelings of worthlessness and guilt and frequent
What volume of 0.182 m na3po4 solution is necessary to completely react with 90.7 ml of 0.103 m cucl2?
The magnetic flux through each loop of a 75-loop coil is given by (8.8t−0.51t3)×10−2t⋅m2, where the time t is in seconds.
What is the molarity of a solution containing 5 moles of solute in 250 milliliters of solution?
I need soooomych Help
How do the Japanese magistrates treat Gulliver after he shows them his letter from the king of luggage to the emperor of Japan
¿Qué tendrás? Tendré una manzana. Tendrás una manzana. Tendremos una manzana. Tendrán una manzana.
Find the area of the trapezoid to the nearest tenth.
The battle cry made famous by the massacre at the mission in texas was "_______ "