julitameiardid
julitameiardid julitameiardid
  • 11-02-2022
  • Mathematics
contestada

solve system of equations:


10x + 8y = -10

7x + 10y = 15

Respuesta :

Аноним Аноним
  • 11-02-2022

Answer:

(x,y)=(-5,5)

Step-by-step explanation:

[tex]10x + 8y = -10\\\underline{7x + 10y = 15}\\-44y=-220\\y=\cfrac{220}{44} \\y=5[/tex]

[tex]10x+8y=-10\\10x+8\times 5=-10\\10x+40=-10\\102=-10-40\\10x=-50\\x=-50/10\\x=-5[/tex]

Hope it helps!

Answer Link

Otras preguntas

what contraction rhymes with the oppostie of disagree
How does smoking impact the respiratory system?
which department protects the health of Americans?
what is the reciprocal of 66
Besides urination, the other methods for fluid loss from the body are __________.
What did Dr. Martin Luther King, Jr., urge his followers to do in order to bring about racial justice? (1 point)
why was the bill of rights needed for the ratification of the Constitution and what did the bill of rights protect
what is 1444 times 555 + 757?
I have 5 coins worth 87 cents. No nickels are in the bunch. What are the coins?
what is the reciprocal of 66