alfonso7guzman7 alfonso7guzman7
  • 03-10-2020
  • Mathematics
contestada

Subtitute 2x+y=7 and 3x-y=8

Respuesta :

taaaaan taaaaan
  • 03-10-2020
2x + y =7 (1)
3x-y=8 (2)

(1) + (2)

5x = 15
x = 3

Answer Link

Otras preguntas

5 mile how many feet
True rhyme refers to words that are spelled alike but pronounced differently.
how do you solve (3.2×(6.1×6.3)) -2.8 with PEMDAS
What is the answer to 532.4 × 100
solve... simplify this radical expression √216v
What is the number 10 times greater than a trillion?
M.Barber uses 7/9 yard of wire for a ceiling fan. He uses 1/3 yard of wire to fix a light switch. How much more wire did he use for his ceiling fan than his lig
How does ATP serve the paramecium as a renewable resource?
Which word in the sentence does the adverb clause modify? I typed this essay after I wrote a rough draft. a. this b. I c. essay d. typed
what were the eight countries that made up ancient south asia