Seudónimo Seudónimo
  • 25-10-2016
  • Mathematics
contestada

HELP ME PLZ!!!!!!!!     

 Find the solution of this system of equations.

5x - 6y = -90 and

-10x - 6y = -90

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-10-2016
set equal to each other since both equal 90

5x-6y=-10x-6y
add 6y to both sides
5x=-10x
x=0


5(0)-6y=-90
-6y=90
divide by -6
y=-15

(x,y)
(0,-15)
Answer Link

Otras preguntas

The French Revolution influenced the Haitian Revolution by: A. proving that a revolution could succeed through nonviolent negotiation. B. promoting the idea tha
What is the answer to the question?
Why did Massachusetts decide to evict Anne Hutchinson?
As a warehouse worker pushes a crate across a concrete floor, the force he applies is not perfectly horizontal, as shown in the image below. If the coefficient
The law of cosines is a² + b² - 2abcosC = c². Find the value of 2abcosC. A. 20 B. 40 C. 37 D. -40​
Bailey and julie go running during their lunch break. bailey ran x miles while julie ran 3x miles. what information can we gather about the relationship between
Which need did it’s colonies provide to Great Britain Grains and vegetables Skilled laborers Raw materials for manufacturing Manufactured goods
Solve equation by using the quadratic formula. 6x^2 +2x =4?A) x= 3/2, 1 B) x= 2/3, -1 C) x=3/2, -1 D) x=3/2, 0
Write an equation for the line parallel to the given line that contains C. C (1,8); 5/7x + 7
What evaluation plan can be done to measure the effectiveness of utilizing low air loss mattresses for patients in nursing homes. Provide the following criteria