Yanniva Yanniva
  • 02-09-2014
  • Mathematics
contestada

Twice as number decreased by 9 is 7

Respuesta :

AL2006
AL2006 AL2006
  • 02-09-2014
You said that. 2x - 9 = 7 . . . . . Add. 9. to each side: 2x = 16 . . . . . Divide each side by 2 : x = 8
Answer Link

Otras preguntas

Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table?
Model the function rule y=-2x-3 with a table of values. show your work
Sergio is s years old. which expression shows how old he will be 7 years from now? question 5 options: 7s 7 – s s 7 7s 7
Largest city in texas is approximately 120 miles southwest of mason
Factor the expression: 2x^2 + 5x + 2
The difference between a pure substance and a mixture is
what would happen if insects stopped Gathering pollen
A good investment should do one or both of which two things
The most common mood used in English is the _____ mood. subjective imperative indicative
Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Which of the following did ancient riv