codyrandleman codyrandleman
  • 04-03-2020
  • Mathematics
contestada

solve with using elimination
3х + 5y = 54
6х +4y = 72​

Respuesta :

Аноним Аноним
  • 04-03-2020

Answer:

y = 6 x=8

Step-by-step explanation:

(3х + 5y = 54)-2 times by -2

6х +4y = 72

-6х + -10y = -108 now combine the equations

6х + 4y = 72

-6y = -36 now divide

y = 6

Plug 6 in 6х +4 * 6 = 72

x=8

Answer Link

Otras preguntas

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
What were the major causes of WWII? Please include at least 4 answers.
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
What were the major causes of WWII? Please include at least 4 answers.
how were north american colonies all similar in the 1700s?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
how were north american colonies all similar in the 1700s?
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot