pinkchevyink
pinkchevyink pinkchevyink
  • 21-09-2016
  • Mathematics
contestada

How many solutions does the equation have?
4x+2(x-3)=8x+12


A. one solution B. infinite solutions C. no solution

Respuesta :

Sunheartz
Sunheartz Sunheartz
  • 21-09-2016
4x + 2x - 6 = 8x + 12
Distributive property

6x - 6 = 8x + 12
Combine like terms

(6x - 6x) - 6 = (8x - 6x) + 12
-6 = 2x + 12
Subtract

-6 - 12 = 2x (12 - 12)
-12 = 2x
Subtract again

-12/2 = 2x/2
Divide

-6 = x

One solution

Answer Link

Otras preguntas

Which of the following is NOT a function of proteins?   A. store and transmit genetic information    B. help to fight disease    C. control the rate of reaction
There are three kinds of levers. What makes them different from each other?
Out of the 40 students in the 7th grade 60% of the students carry cell phones. What fraction of the students carry a cell phone?
what was the main cause of world war 2?
what is the average speed of a cheetah that runs 70m in 2.5 seconds?
A dart is thrown horizontally with an initial speed of 10 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, vertically below P,
A 30.00 mL solution of 0.100M benzoic acid, a monoprotic acid, is titrated with 0.100M NaOH. The Ka is 6.3x10^-5. Determine the pH of the solution after the vol
Simplify the square root of 9/16.
Which of the following is equiangular and equilateral?A. rhombusB. squareC. rectangleD. parallelogram
one twelfth of the circle is 30 degrees. how many radians is one twelfth of the circle