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

The ____________ is/are located on either side of the uterus and serve as a passage way to the uterus.
What state threatened to secede in 1833? Why?
A barrel had 20 liters of water. Water leaked out from the barrel at a constant rate. After 24 hours, 14 liters of water was left in the tank. How many liters o
For the reaction represented by the equation 2na + 2h2o ® 2naoh + h2, how many grams of hydrogen are produced if 120. g of sodium and 80. g of water are availab
An object is thrown horizontally off a cliff with an initial velocity of 5.0 meters per second. the object strikes the ground 3 seconds later. what is the horiz
what would happen to a vacant lot in your community if it were left alone for the next 25 years.
Where do the Sun’s rays hit Earth’s surface nearly at right angles?
Social schemas are useful because they allow people to __________.
Can anybody help me out???!?!?
Why is it important to know the epicenter of an earthquake