peytan18 peytan18
  • 03-09-2018
  • Mathematics
contestada

x+2x=9
what does x equal? and how do I get the answer?

Respuesta :

tramserran
tramserran tramserran
  • 03-09-2018

add like terms on the left side (x + 2x), then isolate the variable on the left side by dividing both sides by 3.

x + 2x = 9        

    3x = 9           added like terms

     x = 3             divided both sides by 3

Answer: 3

Answer Link

Otras preguntas

!!!!!!PLEASE HELP!!!!! Five people arrange themselves to form a right triangle. If their total vertical height is 12 feet and their total horizontal length is 1
Brett painted three walls. Each wall was 9 ft tall and 12 ft long. How much wall area did he paint
The function h(x) =x^2+3 and g(x)=x^2-6. If g(x)=h(x)+k, what is the value of k?
When did cyanobacteria start producing pure oxygen? A. After the Hadean eon B. After the Proterozoic eon C. During the Hadean eon D. During the Phanero
What is the x-coordinate of the point of intersection for these two lines? 9x + 2y = 16 x - 2y = 4 a.) 1 b.) -1 c.) 2 d.) -2
1. Determining if the system works better with one Configuration than another is called ____. A. Spike Testing B. Load Testing C. Configuration testing D. St
Anna needs 6 pints of milk to make yogurt. How many cups of milk does Anna need?
Georgia is said to be located in the north hemisphere because it is north of the
How does truth present her argument a
Solve for x please and quick please