Pearl98 Pearl98

03-12-2017
Mathematics

contestada

Twice the difference of a number and 3 is equal to three times the sum of the number and 3. Find the number.

Respuesta :

IAmAMathAddict IAmAMathAddict

03-12-2017

2 (x-3)=3 (x+3) writing it down in equation form

2x-6=3x+9 removing brackets

2x-3x=9+6 collecting like terms

-×=15 divide it by -1

x=15

Answer Link

Otras preguntas

y = 4.x - 5 Y = 2x + 3 Is (4, 11) a solution of the system?

Calculate the area of the following composite figure

What would be the fill in blanks?

Avogadro's number represents the number of units in a mole. What is this value? o 3.01 x 1023 o 6.02 x 1023 1.20 x 1024 3.60 x 1024

If a reaction vessel initially contains an n2o4 concentration of 0. 0550 m at 500 k, what are the equilibrium concentrations of n2o4 and no2 at 500 k?

In what ways does the music industry guide your taste in music?

What are the two main things that determine climate?

help me please i need to get this right to pass

Please help this assignment is due in 20 mins! Jayvalyn is buying milk. She needs 4 liters. A half-liter of milk costs $2.86. A 200-milliliter container of m

Select all of the expressions below that represent the additive inverse of 5/6 (Choose 2) A. -(+5/6) B. -5/6 C. -(-5/6) D. 6/5