malachistewart malachistewart
  • 01-02-2018
  • Mathematics
contestada

solve the system by substitution

6x+2y=26
x=6y+21

Respuesta :

Аноним Аноним
  • 01-02-2018
Substitute x = 6y + 21 into the first equation:-
6(6y+21) + 2y = 26 
36y + 126 + 2y = 26
38y =  -100
y = -2.63
x =   6(-2.63) + 21 = 5.22

answer (-2.63, 5.22)   to nearest hundredth 
Answer Link

Otras preguntas

what is the slope of the line 12x+4y=24?
what is a false analogy fallacy?
what is a weasel word?
Can someone help with number 4 please
If a train travels m miles in h hours and 45 minutes, what is the average speed in miles per hour ?a)  m / (h + 3/4 ), b) m / 7h, c) m ( h + 3/4 ), d) ( m + 45
what is a fallacy of reasoning?
If 5x + 15 is greater than 20, which of the following best describes possible values of x ?a) x > 5, b) x > 3, c) x > 1, d) x < 5, e) x < 1
The price of an item increased by 25%. If the price of the item after the increase is $2, find the original price.a) $1.50, b) $1.60, c) $1.75, d) $2.50, e) $3.
what is the character sketch of spider in the poem ' the spider and the fly' by mary howitt?
if one parent is homozygous for black hair and the other parent to homozygous for blonde hair, what are the chances that their children will have blonde hair? w